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/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
specialize hg ⟨i, hi'⟩
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
simp only [trans_apply, RelEmbedding.coe_toEmbedding, Fin.castLE_mk, smul_apply, Function.Embedding.coe_subtype] at hgx hgy hg
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
dsimp only [Fin.castLEEmb_apply, Fin.castLE_mk] at hgx hgy
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
rw [hgx, mul_smul, inv_smul_eq_iff, hgy, ← hg]
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
rfl
case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hga : gx • x (Fin.last n) = a y : Fin (su...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inl M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
simp only [hi']
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
dsimp only [Fin.last] at hga hgb
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
rw [hga, mul_smul, inv_smul_eq_iff, hgb]
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
rw [← mem_stabilizer_iff]
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.stabilizer.isMultiplyPretransitive
[564, 1]
[631, 57]
exact SetLike.coe_mem g
case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulAction.ofStabilizer M a) hgx : Function.Embedding.trans (Fin.cas...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.h.mk.inr M : Type u_2 α : Type u_1 inst✝¹ : Group M inst✝ : MulAction M α hα' : IsPretransitive M α n : ℕ a : α hn : IsMultiplyPretransitive (↥(stabilizer M a)) (↥(SubMulAction.ofStabilizer M a)) n x : Fin (succ n) ↪ α gx : M x1 : Fin n ↪ ↥(SubMulActio...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
have hs : PartENat.card s = s.ncard := by rw [s.ncard_eq_toFinset_card, PartENat.card_eq_coe_nat_card, Set.Nat.card_coe_set_eq, PartENat.natCast_inj, s.ncard_eq_toFinset_card]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s ⊢ IsMultiplyPretransitive (↥(fixingSubgroup M s)) (↥(SubMulAction.ofFixingSubgroup M s)) m
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) ⊢ IsMultiplyPretransitive (↥(fixingSubgroup M s)) (↥(SubMulAction.ofFixingSubgroup M s)) m
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s ⊢ IsMultiplyPretransitive (↥(fixingSubgroup M s)) (↥(SubMulAction.ofFixingSubgroup M s)) m TACTIC...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
apply IsPretransitive.mk
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) ⊢ IsMultiplyPretransitive (↥(fixingSubgroup M s)) (↥(SubMulAction.ofFixingSubgroup M s)) m
case exists_smul_eq M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) ⊢ ∀ (x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s)), ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) ⊢ IsMultiplyPretransitive (↥(fixingSubgroup M s)) (↥(SubMu...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
intro x y
case exists_smul_eq M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) ⊢ ∀ (x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s)), ∃ g, g • x = y
case exists_smul_eq M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) ⊢ ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) ⊢ ∀ (x y : Fin m ↪ ↥(SubMulAction.ofFi...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
obtain ⟨z⟩ := equiv_fin_of_partENat_card_eq hs
case exists_smul_eq M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) ⊢ ∃ g, g • x = y
case exists_smul_eq.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s ⊢ ∃ g, g • x = ...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingS...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
obtain ⟨x', hx'1, hx'2⟩ := may_extend_with' z.toEmbedding hmn x
case exists_smul_eq.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s ⊢ ∃ g, g • x = ...
case exists_smul_eq.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' ...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofF...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
obtain ⟨y' : Fin n ↪ α, hy'1, hy'2⟩ := may_extend_with' z.toEmbedding hmn y
case exists_smul_eq.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' ...
case exists_smul_eq.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubM...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
obtain ⟨g, hg⟩ := h.exists_smul_eq x' y'
case exists_smul_eq.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fi...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
suffices g ∈ fixingSubgroup M s by use ⟨g, this⟩ ext i simp only [smul_apply, SubMulAction.val_smul_of_tower] have : (y i : α) = (y.trans (subtype (sᶜ)) i : α) := by simp only [trans_apply, Function.Embedding.coe_subtype] rfl rw [this] have : (x i : α) = (x.trans (subtype (sᶜ)) i : α) := by simp...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
intro a
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
have : z.toEmbedding.trans (subtype (s : Set α)) (z.symm a) = a := by simp only [trans_apply, Equiv.toEmbedding_apply, Equiv.apply_symm_apply, Function.Embedding.coe_subtype] rfl
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp only [← this]
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
conv_lhs => rw [← hx'2]
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rw [← hy'2, ← hg]
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp only [trans_apply, smul_apply]
case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.intro.intro.intro.intro.intro.intro M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rw [s.ncard_eq_toFinset_card, PartENat.card_eq_coe_nat_card, Set.Nat.card_coe_set_eq, PartENat.natCast_inj, s.ncard_eq_toFinset_card]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s ⊢ PartENat.card ↑s = ↑(Set.ncard s)
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s ⊢ PartENat.card ↑s = ↑(Set.ncard s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
use ⟨g, this⟩
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
case h M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Emb...
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
ext i
case h M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Emb...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp only [smul_apply, SubMulAction.val_smul_of_tower]
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
have : (y i : α) = (y.trans (subtype (sᶜ)) i : α) := by simp only [trans_apply, Function.Embedding.coe_subtype] rfl
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rw [this]
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
have : (x i : α) = (x.trans (subtype (sᶜ)) i : α) := by simp only [trans_apply, Function.Embedding.coe_subtype] rfl
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rw [this]
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rw [← Function.Embedding.ext_iff] at hx'1 hy'1
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : ∀ (x_1...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp_rw [← hy'1 i, ← hx'1 i, ← hg]
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : ∀ (x_1...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : ∀ (x_1...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp only [trans_apply, smul_apply, RelEmbedding.coe_toEmbedding]
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : ∀ (x_1...
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : ∀ (x_1...
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rfl
case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : ∀ (x_1...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.h.a M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp only [trans_apply, Function.Embedding.coe_subtype]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rfl
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp only [trans_apply, Function.Embedding.coe_subtype]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rfl
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
simp only [trans_apply, Equiv.toEmbedding_apply, Equiv.apply_symm_apply, Function.Embedding.coe_subtype]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity
[636, 1]
[681, 38]
rfl
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin (Set.ncard s) ≃ ↑s x' : Fin n ↪ α hx'1 : Function.Embedding....
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : n = m + Set.ncard s hs : PartENat.card ↑s = ↑(Set.ncard s) x y : Fin m ↪ ↥(SubMulAction.ofFixingSubgroup M s) z : Fin...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity'
[684, 1]
[695, 6]
apply remaining_transitivity
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ IsMultiplyPretransitive (↥(fixingSubgroup M s)) (↥(SubMulAction.ofFixingSubgroup M s)) m
case h M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ IsMultiplyPretransitive M α ?n case hmn M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set ...
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ IsMultiplyPretransitive (↥(fixingSubgroup M s)) (↥(SubMulAction.ofFix...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity'
[684, 1]
[695, 6]
exact isMultiplyPretransitive_of_higher M α h hmn hn
case h M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ IsMultiplyPretransitive M α ?n case hmn M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set ...
case hmn M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ m + Set.ncard s = m + Set.ncard s
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ IsMultiplyPretransitive M α ?n case hmn M : Type u_2 α : Type...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.remaining_transitivity'
[684, 1]
[695, 6]
rfl
case hmn M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ m + Set.ncard s = m + Set.ncard s
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hmn M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α m n : ℕ s : Set α inst✝ : Finite ↑s h : IsMultiplyPretransitive M α n hmn : m + Set.ncard s ≤ n hn : ↑n ≤ PartENat.card α ⊢ m + Set.ncard s = m + Set.ncard s TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Set.ncard_le_fintype_card
[800, 1]
[803, 41]
rw [← Nat.card_eq_fintype_card, ← Set.ncard_univ]
M : Type ?u.179009 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α ⊢ Set.ncard s ≤ Fintype.card α
M : Type ?u.179009 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α ⊢ Set.ncard s ≤ Set.ncard Set.univ
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.179009 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α ⊢ Set.ncard s ≤ Fintype.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Set.ncard_le_fintype_card
[800, 1]
[803, 41]
exact Set.ncard_le_ncard s.subset_univ
M : Type ?u.179009 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α ⊢ Set.ncard s ≤ Set.ncard Set.univ
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.179009 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α ⊢ Set.ncard s ≤ Set.ncard Set.univ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
revert M α
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α k : ℕ hmk : IsMultiplyPretransitive M α k s : Set α hs : Set.ncard s = k ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)!
k : ℕ ⊢ ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)!
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α k : ℕ hmk : IsMultiplyPretransitive M α k s : Set α hs : Set.ncard s = k ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
induction' k with k hrec
k : ℕ ⊢ ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)!
case zero ⊢ ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α zero → ∀ {s : Set α}, Set.ncard s = zero → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! case succ k : ℕ hrec : ∀ (M :...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ ⊢ ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
intro M α _ _ _ hmk s hs
case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! ⊢ ∀ (M : Type u_2) (α : Ty...
case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 ...
Please generate a tactic in lean4 to solve the state. STATE: case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α -...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
have : s.Nonempty := by rw [← Set.ncard_pos, hs] exact succ_pos k
case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 ...
case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 ...
Please generate a tactic in lean4 to solve the state. STATE: case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α -...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
obtain ⟨a, has⟩ := this
case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α -...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
let t : Set (SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
have hat : Subtype.val '' t = s \ {a} := by rw [Set.image_preimage_eq_inter_range] simp only [Subtype.range_coe_subtype] rw [Set.diff_eq_compl_inter, Set.inter_comm] congr
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
have hat' : s = insert a (Subtype.val '' t) := by rw [hat, Set.insert_diff_singleton, Set.insert_eq_of_mem has]
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
have hfs : fixingSubgroup M s = ?_ := by rw [hat'] exact fixingSubgroup_of_insert M a t
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [hfs]
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [Subgroup.index_map]
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [(MonoidHom.ker_eq_bot_iff (stabilizer M a).subtype).mpr (by simp only [Subgroup.coeSubtype, Subtype.coe_injective])]
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
simp only [sup_bot_eq, Subgroup.subtype_range]
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
have hscard : s.ncard = 1 + t.ncard := by rw [hat'] suffices ¬ a ∈ (Subtype.val '' t) by rw [add_comm] convert Set.ncard_insert_of_not_mem this ?_ rw [Set.ncard_image_of_injective _ Subtype.coe_injective] apply Set.toFinite intro h obtain ⟨⟨b, hb⟩, _, hb'⟩ := h apply hb simp only [Set.mem_si...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
have htcard : t.ncard = k := by rw [← Nat.succ_inj', ← hs, hscard, add_comm]
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Typ...
Please generate a tactic in lean4 to solve the state. STATE: case succ.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.ca...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
intro M α _ _ _ _ s hs
case zero ⊢ ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α zero → ∀ {s : Set α}, Set.ncard s = zero → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)!
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : Set.ncard s = zero ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)!
Please generate a tactic in lean4 to solve the state. STATE: case zero ⊢ ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α zero → ∀ {s : Set α}, Set.ncard s = zero → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.n...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
simp only [hs, zero_eq, ge_iff_le, nonpos_iff_eq_zero, tsub_zero, ne_eq]
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : Set.ncard s = zero ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)!
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : Set.ncard s = zero ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α)! = (Fintype.card α)!
Please generate a tactic in lean4 to solve the state. STATE: case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : Set.ncard s = zero ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)!...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [Set.ncard_eq_zero] at hs
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : Set.ncard s = zero ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α)! = (Fintype.card α)!
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α)! = (Fintype.card α)!
Please generate a tactic in lean4 to solve the state. STATE: case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : Set.ncard s = zero ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α)! = (Fintype.card α)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
simp only [hs]
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α)! = (Fintype.card α)!
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ Subgroup.index (fixingSubgroup M ∅) * (Fintype.card α)! = (Fintype.card α)!
Please generate a tactic in lean4 to solve the state. STATE: case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ Subgroup.index (fixingSubgroup M s) * (Fintype.card α)! = (Fintype.card α)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
suffices fixingSubgroup M ∅ = ⊤ by rw [this, Subgroup.index_top, one_mul]
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ Subgroup.index (fixingSubgroup M ∅) * (Fintype.card α)! = (Fintype.card α)!
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ fixingSubgroup M ∅ = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ Subgroup.index (fixingSubgroup M ∅) * (Fintype.card α)! = (Fintype.card α)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
exact GaloisConnection.l_bot (fixingSubgroup_fixedPoints_gc M α)
case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ fixingSubgroup M ∅ = ⊤
no goals
Please generate a tactic in lean4 to solve the state. STATE: case zero M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ ⊢ fixingSubgroup M ∅ = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [this, Subgroup.index_top, one_mul]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ this : fixingSubgroup M ∅ = ⊤ ⊢ Subgroup.index (fixingSubgroup M ∅) * (Fintype.card α)! = (Fintype.card α)!
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk✝ : IsMultiplyPretransitive M α zero s : Set α hs : s = ∅ this : fixingSubgroup M ∅ = ⊤ ⊢ Subgroup.index (fixingSubgroup M ∅) * (Fintype.card α)! = (Fintype.card α)! TACTIC...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [isPretransitive_iff_is_one_pretransitive]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
apply isMultiplyPretransitive_of_higher M α hmk
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
case hmn k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 i...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [Nat.succ_le_succ_iff]
case hmn k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 i...
case hmn k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 i...
Please generate a tactic in lean4 to solve the state. STATE: case hmn k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
apply Nat.zero_le
case hmn k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 i...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hmn k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - ...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [← hs]
case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 in...
case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 in...
Please generate a tactic in lean4 to solve the state. STATE: case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - S...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
simp only [PartENat.card_eq_coe_fintype_card, Fintype.card_coe, PartENat.coe_le_coe]
case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 in...
case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 in...
Please generate a tactic in lean4 to solve the state. STATE: case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - S...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
apply Set.ncard_le_fintype_card
case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 in...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hα k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - S...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [← Set.ncard_pos, hs]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
exact succ_pos k
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
no goals
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [Set.image_preimage_eq_inter_range]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
simp only [Subtype.range_coe_subtype]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [Set.diff_eq_compl_inter, Set.inter_comm]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
congr
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
no goals
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [hat, Set.insert_diff_singleton, Set.insert_eq_of_mem has]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
no goals
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [hat']
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
exact fixingSubgroup_of_insert M a t
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
no goals
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
simp only [Subgroup.coeSubtype, Subtype.coe_injective]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
no goals
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [hat']
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
suffices ¬ a ∈ (Subtype.val '' t) by rw [add_comm] convert Set.ncard_insert_of_not_mem this ?_ rw [Set.ncard_image_of_injective _ Subtype.coe_injective] apply Set.toFinite
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
intro h
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
obtain ⟨⟨b, hb⟩, _, hb'⟩ := h
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α :...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
apply hb
case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α :...
case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α :...
Please generate a tactic in lean4 to solve the state. STATE: case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintyp...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
simp only [Set.mem_singleton_iff]
case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α :...
case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α :...
Please generate a tactic in lean4 to solve the state. STATE: case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintyp...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [← hb']
case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α :...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.mk.intro k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintyp...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [add_comm]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
convert Set.ncard_insert_of_not_mem this ?_
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
case h.e'_3.h.e'_5 k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : ...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [Set.ncard_image_of_injective _ Subtype.coe_injective]
case h.e'_3.h.e'_5 k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : ...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.h.e'_5 k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
apply Set.toFinite
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
no goals
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [← Nat.succ_inj', ← hs, hscard, add_comm]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
no goals
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [mul_comm] at this
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [hscard, mul_comm, ← mul_assoc, mul_comm, Nat.sub_add_eq, this]
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : G...
Please generate a tactic in lean4 to solve the state. STATE: k : ℕ hrec : ∀ (M : Type u_2) (α : Type u_1) [inst : Group M] [inst_1 : MulAction M α] [inst_2 : Fintype α], IsMultiplyPretransitive M α k → ∀ {s : Set α}, Set.ncard s = k → Subgroup.index (fixingSubgroup M s) * (Fintype.card α - Set.ncard...