url
stringclasses
147 values
commit
stringclasses
147 values
file_path
stringlengths
7
101
full_name
stringlengths
1
94
start
stringlengths
6
10
end
stringlengths
6
11
tactic
stringlengths
1
11.2k
state_before
stringlengths
3
2.09M
state_after
stringlengths
6
2.09M
input
stringlengths
73
2.09M
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
simp only [Finset.mem_filter, Finset.mem_univ, Subgroup.coe_mk, true_and_iff] at hk'
case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : { val := k, property := hk } ∈ Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ ⊢ Equiv.Perm.cycleType ({ toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } { val := k, property := hk }) = m
case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : Equiv.Perm.cycleType k = m ⊢ Equiv.Perm.cycleType ({ toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } { val := k, property := hk }) = m
Please generate a tactic in lean4 to solve the state. STATE: case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : { val := k, property := hk } ∈ Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ ⊢ Equiv.Perm.cycleType ({ toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } { val := k, property := hk }) = m TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
simp only [Subgroup.coeSubtype, Function.Embedding.coeFn_mk, Subgroup.coe_mk]
case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : Equiv.Perm.cycleType k = m ⊢ Equiv.Perm.cycleType ({ toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } { val := k, property := hk }) = m
case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : Equiv.Perm.cycleType k = m ⊢ Equiv.Perm.cycleType k = m
Please generate a tactic in lean4 to solve the state. STATE: case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : Equiv.Perm.cycleType k = m ⊢ Equiv.Perm.cycleType ({ toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } { val := k, property := hk }) = m TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
exact hk'
case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : Equiv.Perm.cycleType k = m ⊢ Equiv.Perm.cycleType k = m
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.a.mp.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hk' : Equiv.Perm.cycleType k = m ⊢ Equiv.Perm.cycleType k = m TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
rintro ⟨_, hg⟩
case pos.a.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α ⊢ g ∈ Finset.univ ∧ Equiv.Perm.cycleType g = m → g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)
case pos.a.mpr.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)
Please generate a tactic in lean4 to solve the state. STATE: case pos.a.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α ⊢ g ∈ Finset.univ ∧ Equiv.Perm.cycleType g = m → g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
simp only [Subgroup.coeSubtype, Finset.mem_map, Finset.mem_filter, Finset.mem_univ, true_and_iff, Function.Embedding.coeFn_mk, exists_prop]
case pos.a.mpr.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)
case pos.a.mpr.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ ∃ a, Equiv.Perm.cycleType ↑a = m ∧ ↑a = g
Please generate a tactic in lean4 to solve the state. STATE: case pos.a.mpr.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
use! g
case pos.a.mpr.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ ∃ a, Equiv.Perm.cycleType ↑a = m ∧ ↑a = g
case property α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ g ∈ alternatingGroup α
Please generate a tactic in lean4 to solve the state. STATE: case pos.a.mpr.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ ∃ a, Equiv.Perm.cycleType ↑a = m ∧ ↑a = g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
rw [Equiv.Perm.mem_alternatingGroup, Equiv.Perm.sign_of_cycleType, hg, Even.neg_one_pow hm]
case property α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ g ∈ alternatingGroup α
no goals
Please generate a tactic in lean4 to solve the state. STATE: case property α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α left✝ : g ∈ Finset.univ hg : Equiv.Perm.cycleType g = m ⊢ g ∈ alternatingGroup α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
rw [Finset.eq_empty_iff_forall_not_mem]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) = ∅
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ∀ (x : Equiv.Perm α), x ∉ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) = ∅ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
intro g hg
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ∀ (x : Equiv.Perm α), x ∉ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α hg : g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ∀ (x : Equiv.Perm α), x ∉ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
simp only [Subgroup.coeSubtype, Finset.mem_map, Finset.mem_filter, Finset.mem_univ, true_and_iff, Function.Embedding.coeFn_mk, exists_prop] at hg
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α hg : g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) ⊢ False
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α hg : ∃ a, Equiv.Perm.cycleType ↑a = m ∧ ↑a = g ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α hg : g ∈ Finset.map { toFun := ⇑(Subgroup.subtype (alternatingGroup α)), inj' := ⋯ } (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ) ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
obtain ⟨⟨k, hk⟩, hkm, rfl⟩ := hg
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α hg : ∃ a, Equiv.Perm.cycleType ↑a = m ∧ ↑a = g ⊢ False
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType ↑{ val := k, property := hk } = m ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g✝ : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) g : Equiv.Perm α hg : ∃ a, Equiv.Perm.cycleType ↑a = m ∧ ↑a = g ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
rw [← Nat.odd_iff_not_even] at hm
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType ↑{ val := k, property := hk } = m ⊢ False
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType ↑{ val := k, property := hk } = m ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬Even (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType ↑{ val := k, property := hk } = m ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
simp only [Subgroup.coe_mk] at hkm
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType ↑{ val := k, property := hk } = m ⊢ False
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType k = m ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType ↑{ val := k, property := hk } = m ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
simp only [Equiv.Perm.mem_alternatingGroup, Equiv.Perm.sign_of_cycleType, hkm, Odd.neg_one_pow hm, ← Units.eq_iff] at hk
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType k = m ⊢ False
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hkm : Equiv.Perm.cycleType k = m hk : ↑(-1) = ↑1 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hk : k ∈ alternatingGroup α hkm : Equiv.Perm.cycleType k = m ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.of_cycleType_eq
[3123, 1]
[3154, 19]
norm_num at hk
case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hkm : Equiv.Perm.cycleType k = m hk : ↑(-1) = ↑1 ⊢ False
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.mk.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : Odd (Multiset.sum m + Multiset.card m) k : Equiv.Perm α hkm : Equiv.Perm.cycleType k = m hk : ↑(-1) = ↑1 ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
split_ifs with hm
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) then Nat.factorial (Fintype.card α) else 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) then Nat.factorial (Fintype.card α) else 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [← Finset.card_map]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.map ?pos✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ ↥(alternatingGroup α) ↪ ?m.477188 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Type ?u.477186
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [AlternatingGroup.of_cycleType_eq]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.map ?pos✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ ↥(alternatingGroup α) ↪ ?m.477188 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Type ?u.477186
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.map ?pos✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ ↥(alternatingGroup α) ↪ ?m.477188 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Type ?u.477186 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [if_pos]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
have := Equiv.Perm.card_of_cycleType_mul_eq α m
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
simp only [mul_assoc] at this
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [this]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [if_pos]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0) = Nat.factorial (Fintype.card α) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact hm.1
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) this : (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) else 0 ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact hm.2
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [← Finset.card_map]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.map ?neg✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ ↥(alternatingGroup α) ↪ ?m.477900 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ Type ?u.477898
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [AlternatingGroup.of_cycleType_eq]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.map ?neg✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ ↥(alternatingGroup α) ↪ ?m.477900 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ Type ?u.477898
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.map ?neg✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ ↥(alternatingGroup α) ↪ ?m.477900 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ Type ?u.477898 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [apply_ite Finset.card]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else ∅.card) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [Finset.card_empty]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else ∅.card) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else ∅.card) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [not_and_or] at hm
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
by_cases hm' : Even (m.sum + Multiset.card m)
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [if_pos]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [Equiv.Perm.card_of_cycleType]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [if_neg]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ 0 * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact MulZeroClass.zero_mul _
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ 0 * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ 0 * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
cases' hm with hm hm
case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos.hnc.inl α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact hm
case pos.hnc.inl α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc.inl α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exfalso
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ False case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact hm hm'
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ False case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ False case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact hm'
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
rw [if_neg]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ 0 * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact MulZeroClass.zero_mul _
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ 0 * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m)
case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ 0 * (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) = 0 case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType_mul_eq
[3157, 1]
[3189, 58]
exact hm'
case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
split_ifs with hm
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = if (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) else 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = 0
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = if (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) else 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [← Finset.card_map]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))))
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.map ?pos✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ ↥(alternatingGroup α) ↪ ?m.482132 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Type ?u.482130
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [AlternatingGroup.of_cycleType_eq]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.map ?pos✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ ↥(alternatingGroup α) ↪ ?m.482132 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Type ?u.482130
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))))
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.map ?pos✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ ↥(alternatingGroup α) ↪ ?m.482132 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Type ?u.482130 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [if_pos]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))))
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [Equiv.Perm.card_of_cycleType α m]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [if_pos]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
simp only [mul_assoc]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) = Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * (Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m)))) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
exact hm.1
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
exact hm.2
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : (Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [← Finset.card_map]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.map ?neg✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ ↥(alternatingGroup α) ↪ ?m.482556 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ Type ?u.482554
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ).card = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [AlternatingGroup.of_cycleType_eq]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.map ?neg✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ ↥(alternatingGroup α) ↪ ?m.482556 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ Type ?u.482554
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (Finset.map ?neg✝ (Finset.filter (fun g => Equiv.Perm.cycleType ↑g = m) Finset.univ)).card = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ ↥(alternatingGroup α) ↪ ?m.482556 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ Type ?u.482554 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [apply_ite Finset.card]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else ∅.card) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ else ∅).card = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [Finset.card_empty]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else ∅.card) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else ∅.card) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [not_and_or] at hm
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬((Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∧ Even (Multiset.sum m + Multiset.card m)) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
by_cases hm' : Even (m.sum + Multiset.card m)
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [if_pos]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [Equiv.Perm.card_of_cycleType]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [if_neg]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ (if Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a then Nat.factorial (Fintype.card α) / (Nat.factorial (Fintype.card α - Multiset.sum m) * Multiset.prod m * Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n m)) (Multiset.dedup m))) else 0) = 0 case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
cases' hm with hm hm
case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos.hnc.inl α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
exact hm
case pos.hnc.inl α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc.inl α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
exfalso
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ False case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
exact hm hm'
case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ False case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hnc.inr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm' : Even (Multiset.sum m + Multiset.card m) hm : ¬Even (Multiset.sum m + Multiset.card m) ⊢ False case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
exact hm'
case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : Even (Multiset.sum m + Multiset.card m) ⊢ Even (Multiset.sum m + Multiset.card m) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
rw [if_neg]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0
case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m)
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ (if Even (Multiset.sum m + Multiset.card m) then (Finset.filter (fun g => Equiv.Perm.cycleType g = m) Finset.univ).card else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.AlternatingGroup.card_of_cycleType
[3192, 1]
[3221, 27]
exact hm'
case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.hnc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α m : Multiset ℕ hm : ¬(Multiset.sum m ≤ Fintype.card α ∧ ∀ a ∈ m, 2 ≤ a) ∨ ¬Even (Multiset.sum m + Multiset.card m) hm' : ¬Even (Multiset.sum m + Multiset.card m) ⊢ ¬Even (Multiset.sum m + Multiset.card m) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
ext x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) ⊢ (θ g) (k, 1) = Equiv.Perm.ofSubtype k
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) ⊢ (θ g) (k, 1) = Equiv.Perm.ofSubtype k TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
by_cases hx : g.cycleOf x ∈ g.cycleFactorsFinset
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∉ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
rw [hθ_2 _ x ⟨g.cycleOf x, hx⟩ rfl]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ↑((k, 1).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = (Equiv.Perm.ofSubtype k) x
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
simp only [Pi.one_apply, OneMemClass.coe_one, Equiv.Perm.coe_one, id_eq]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ↑((k, 1).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = (Equiv.Perm.ofSubtype k) x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ x = (Equiv.Perm.ofSubtype k) x
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ↑((k, 1).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = (Equiv.Perm.ofSubtype k) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
rw [Equiv.Perm.ofSubtype_apply_of_not_mem]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ x = (Equiv.Perm.ofSubtype k) x
case pos.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ x ∉ MulAction.fixedBy α g
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ x = (Equiv.Perm.ofSubtype k) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
simp only [MulAction.mem_fixedBy, Equiv.Perm.smul_def, ← Equiv.Perm.mem_support, ← Equiv.Perm.cycleOf_mem_cycleFactorsFinset_iff]
case pos.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ x ∉ MulAction.fixedBy α g
case pos.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g
Please generate a tactic in lean4 to solve the state. STATE: case pos.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ x ∉ MulAction.fixedBy α g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
exact hx
case pos.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
rw [Equiv.Perm.cycleOf_mem_cycleFactorsFinset_iff, Equiv.Perm.not_mem_support] at hx
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∉ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : Equiv.Perm.cycleOf g x ∉ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
rw [hθ_1 _ x hx, Equiv.Perm.ofSubtype_apply_of_mem]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ ↑((k, 1).1 { val := x, property := hx }) = ↑(k { val := x, property := ?neg.ha✝ }) case neg.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ x ∈ MulAction.fixedBy α g
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ ((θ g) (k, 1)) x = (Equiv.Perm.ofSubtype k) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_fst
[3226, 1]
[3238, 8]
rfl
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ ↑((k, 1).1 { val := x, property := hx }) = ↑(k { val := x, property := ?neg.ha✝ }) case neg.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ x ∈ MulAction.fixedBy α g
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ ↑((k, 1).1 { val := x, property := hx }) = ↑(k { val := x, property := ?neg.ha✝ }) case neg.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α k : Equiv.Perm ↑(MulAction.fixedBy α g) x : α hx : g x = x ⊢ x ∈ MulAction.fixedBy α g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
ext x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) ⊢ (θ g) (1, Pi.mulSingle c vc) = ↑vc
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α ⊢ ((θ g) (1, Pi.mulSingle c vc)) x = ↑vc x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) ⊢ (θ g) (1, Pi.mulSingle c vc) = ↑vc TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
by_cases hx : g.cycleOf x ∈ g.cycleFactorsFinset
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α ⊢ ((θ g) (1, Pi.mulSingle c vc)) x = ↑vc x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (1, Pi.mulSingle c vc)) x = ↑vc x case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∉ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (1, Pi.mulSingle c vc)) x = ↑vc x
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α ⊢ ((θ g) (1, Pi.mulSingle c vc)) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
rw [hθ_2 _ x ⟨g.cycleOf x, hx⟩ rfl]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (1, Pi.mulSingle c vc)) x = ↑vc x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ((θ g) (1, Pi.mulSingle c vc)) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
by_cases hc : g.cycleOf x = c
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
suffices c = ⟨g.cycleOf x, hx⟩ by rw [← this] simp only [Pi.mulSingle_eq_same]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c ⊢ c = { val := Equiv.Perm.cycleOf g x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
rw [← Subtype.coe_inj, ← hc]
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c ⊢ c = { val := Equiv.Perm.cycleOf g x, property := hx }
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c ⊢ c = { val := Equiv.Perm.cycleOf g x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
rw [← this]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c this : c = { val := Equiv.Perm.cycleOf g x, property := hx } ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c this : c = { val := Equiv.Perm.cycleOf g x, property := hx } ⊢ ↑((1, Pi.mulSingle c vc).2 c) x = ↑vc x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c this : c = { val := Equiv.Perm.cycleOf g x, property := hx } ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
simp only [Pi.mulSingle_eq_same]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c this : c = { val := Equiv.Perm.cycleOf g x, property := hx } ⊢ ↑((1, Pi.mulSingle c vc).2 c) x = ↑vc x
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : Equiv.Perm.cycleOf g x = ↑c this : c = { val := Equiv.Perm.cycleOf g x, property := hx } ⊢ ↑((1, Pi.mulSingle c vc).2 c) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
simp only [ne_eq]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑(Pi.mulSingle c vc { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑((1, Pi.mulSingle c vc).2 { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
rw [Pi.mulSingle_eq_of_ne]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑(Pi.mulSingle c vc { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑1 x = ↑vc x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑(Pi.mulSingle c vc { val := Equiv.Perm.cycleOf g x, property := hx }) x = ↑vc x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
simp only [OneMemClass.coe_one, Equiv.Perm.coe_one, id_eq]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑1 x = ↑vc x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ x = ↑vc x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑1 x = ↑vc x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
apply symm
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ x = ↑vc x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ x = ↑vc x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
obtain ⟨m, hm⟩ := vc.prop
case neg.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : (fun x => ↑c ^ x) m = ↑vc ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
dsimp at hm
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : (fun x => ↑c ^ x) m = ↑vc ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : (fun x => ↑c ^ x) m = ↑vc ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
rw [← hm, ← Equiv.Perm.not_mem_support]
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc ⊢ x ∉ Equiv.Perm.support (↑c ^ m) case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc ⊢ ↑vc x = x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
intro hx'
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc ⊢ x ∉ Equiv.Perm.support (↑c ^ m) case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ False case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc ⊢ x ∉ Equiv.Perm.support (↑c ^ m) case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
apply hc
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ False case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ Equiv.Perm.cycleOf g x = ↑c case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ False case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
apply symm
case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ Equiv.Perm.cycleOf g x = ↑c case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c = Equiv.Perm.cycleOf g x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ Equiv.Perm.cycleOf g x = ↑c case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
apply Equiv.Perm.cycle_is_cycleOf
case neg.a.intro.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c = Equiv.Perm.cycleOf g x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro.a.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ x ∈ Equiv.Perm.support ↑c case neg.a.intro.a.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c ∈ Equiv.Perm.cycleFactorsFinset g case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c = Equiv.Perm.cycleOf g x case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
apply Equiv.Perm.support_zpow_le _ _ hx'
case neg.a.intro.a.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ x ∈ Equiv.Perm.support ↑c case neg.a.intro.a.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c ∈ Equiv.Perm.cycleFactorsFinset g case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.a.intro.a.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c ∈ Equiv.Perm.cycleFactorsFinset g case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro.a.ha α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ x ∈ Equiv.Perm.support ↑c case neg.a.intro.a.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c ∈ Equiv.Perm.cycleFactorsFinset g case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
exact c.prop
case neg.a.intro.a.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c ∈ Equiv.Perm.cycleFactorsFinset g case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.intro.a.hc α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c m : ℤ hm : ↑c ^ m = ↑vc hx' : x ∈ Equiv.Perm.support (↑c ^ m) ⊢ ↑c ∈ Equiv.Perm.cycleFactorsFinset g case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.θ_apply_single
[3240, 1]
[3279, 45]
intro hc'
case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c
case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c hc' : { val := Equiv.Perm.cycleOf g x, property := hx } = c ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } vc : ↥(Subgroup.zpowers ↑c) x : α hx : Equiv.Perm.cycleOf g x ∈ Equiv.Perm.cycleFactorsFinset g hc : ¬Equiv.Perm.cycleOf g x = ↑c ⊢ { val := Equiv.Perm.cycleOf g x, property := hx } ≠ c TACTIC: