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https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
rw [stabilizer_index_of_pretransitive M hGX a]
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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Subgroup.index (stabilizer M a) * (Fintype.card α - 1)! = (Fintype.card 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Nat.card α * (Fintype.card α - 1)! = (Fintype.card 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 s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Subgroup.index (stabilizer M a) * (Fintype.card α - 1)! = (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 [Nat.card_eq_fintype_card]
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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Nat.card α * (Fintype.card α - 1)! = (Fintype.card 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Fintype.card α * (Fintype.card α - 1)! = (Fintype.card 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 s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Nat.card α * (Fintype.card α - 1)! = (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]
apply Nat.mul_factorial_pred
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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Fintype.card α * (Fintype.card α - 1)! = (Fintype.card α)!
case hn 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ 0 < Fintype.card 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 s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Fintype.card α * (Fintype.card α - 1)! = (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 [Fintype.card_pos_iff]
case hn 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ 0 < Fintype.card α
case hn 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Nonempty α
Please generate a tactic in lean4 to solve the state. STATE: case hn 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ 0 < 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]
use a
case hn 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Nonempty α
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hn 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k this : (Fintype.card α - 1 - Set.ncard t)! * Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) = (Fintype.card α - 1)! ⊢ Nonempty 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 [add_comm] at hscard
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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)!
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.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = 1 + Set.ncard t htcard : Set.ncard t = k ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
have := Nat.sub_eq_of_eq_add hscard
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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : Set.ncard s - 1 = Set.ncard t ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)!
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.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)! 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, Nat.pred_succ] at this
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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : Set.ncard s - 1 = Set.ncard t ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)!
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.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : Set.ncard s - 1 = Set.ncard t ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
convert hrec (stabilizer M a) (SubMulAction.ofStabilizer M a) ((stabilizer.isMultiplyPretransitive M α hGX).mp hmk) htcard
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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)!
case h.e'_2.h.e'_6.h.e'_1.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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a) case h.e'_3.h.e'_1 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a)
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.card α - Set.ncard s)! = (Fintype.card α)! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Subgroup.index (fixingSubgroup (↥(stabilizer M a)) t) * (Fintype.card α - 1 - Set.ncard t)! = (Fintype.card α - 1)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
all_goals { apply symm convert Fintype.card_compl_set _ exact setFintype {a}ᶜ }
case h.e'_2.h.e'_6.h.e'_1.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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a) case h.e'_3.h.e'_1 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2.h.e'_6.h.e'_1.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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a) case h.e'_3.h.e'_1 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
apply symm
case h.e'_3.h.e'_1 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a)
case h.e'_3.h.e'_1.a 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card ↥(SubMulAction.ofStabilizer M a) = Fintype.card α - 1
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.h.e'_1 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card α - 1 = Fintype.card ↥(SubMulAction.ofStabilizer M a) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
convert Fintype.card_compl_set _
case h.e'_3.h.e'_1.a 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card ↥(SubMulAction.ofStabilizer M a) = Fintype.card α - 1
case h.e'_3.h.e'_1.a.convert_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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype ↑{a}ᶜ
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.h.e'_1.a 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 : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype.card ↥(SubMulAction.ofStabilizer M a) = Fintype.card α - 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixing_subgroup_aux
[807, 9]
[887, 30]
exact setFintype {a}ᶜ
case h.e'_3.h.e'_1.a.convert_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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype ↑{a}ᶜ
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.h.e'_1.a.convert_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 : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α hmk : IsMultiplyPretransitive M α (succ k) s : Set α hs : Set.ncard s = succ k hGX : IsPretransitive M α a : α has : a ∈ s t : Set ↥(SubMulAction.ofStabilizer M a) := Subtype.val ⁻¹' s hat : Subtype.val '' t = s \ {a} hat' : s = insert a (Subtype.val '' t) hfs : fixingSubgroup M s = Subgroup.map (Subgroup.subtype (stabilizer M a)) (fixingSubgroup (↥(stabilizer M a)) t) hscard : Set.ncard s = Set.ncard t + 1 htcard : Set.ncard t = k this : succ k - 1 = Set.ncard t ⊢ Fintype ↑{a}ᶜ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixingSubgroup'
[902, 1]
[910, 34]
apply Nat.eq_of_mul_eq_mul_right (Nat.factorial_pos _)
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ Subgroup.index (fixingSubgroup M s) = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)!
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ Subgroup.index (fixingSubgroup M s) * ?m.226642! = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)! * ?m.226642! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ ℕ
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 s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ Subgroup.index (fixingSubgroup M s) = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixingSubgroup'
[902, 1]
[910, 34]
rw [IsMultiplyPretransitive.index_of_fixingSubgroup M α s hMk]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ Subgroup.index (fixingSubgroup M s) * ?m.226642! = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)! * ?m.226642! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ ℕ
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ (Fintype.card α)! = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)! * (Fintype.card α - Set.ncard s)!
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 s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ Subgroup.index (fixingSubgroup M s) * ?m.226642! = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)! * ?m.226642! M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ ℕ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixingSubgroup'
[902, 1]
[910, 34]
rw [Nat.choose_mul_factorial_mul_factorial]
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ (Fintype.card α)! = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)! * (Fintype.card α - Set.ncard s)!
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ 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 s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ (Fintype.card α)! = choose (Fintype.card α) (Set.ncard s) * (Set.ncard s)! * (Fintype.card α - Set.ncard s)! TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.index_of_fixingSubgroup'
[902, 1]
[910, 34]
apply Set.ncard_le_fintype_card
M : Type u_2 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ Set.ncard s ≤ 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 s : Set α hMk : IsMultiplyPretransitive M α (Set.ncard s) ⊢ Set.ncard s ≤ Fintype.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
PartENat.lt_coe_succ_iff_le'
[912, 1]
[917, 90]
by_cases hx : x = ⊤
M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ ⊢ x < ↑(succ n) ↔ x ≤ ↑n
case pos M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : x = ⊤ ⊢ x < ↑(succ n) ↔ x ≤ ↑n case neg M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : ¬x = ⊤ ⊢ x < ↑(succ n) ↔ x ≤ ↑n
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ ⊢ x < ↑(succ n) ↔ x ≤ ↑n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
PartENat.lt_coe_succ_iff_le'
[912, 1]
[917, 90]
rw [hx]
case pos M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : x = ⊤ ⊢ x < ↑(succ n) ↔ x ≤ ↑n
case pos M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : x = ⊤ ⊢ ⊤ < ↑(succ n) ↔ ⊤ ≤ ↑n
Please generate a tactic in lean4 to solve the state. STATE: case pos M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : x = ⊤ ⊢ x < ↑(succ n) ↔ x ≤ ↑n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
PartENat.lt_coe_succ_iff_le'
[912, 1]
[917, 90]
simp only [cast_succ, not_top_lt, top_le_iff, PartENat.natCast_ne_top]
case pos M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : x = ⊤ ⊢ ⊤ < ↑(succ n) ↔ ⊤ ≤ ↑n
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : x = ⊤ ⊢ ⊤ < ↑(succ n) ↔ ⊤ ≤ ↑n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
PartENat.lt_coe_succ_iff_le'
[912, 1]
[917, 90]
rw [Nat.succ_eq_add_one n, Nat.cast_add, Nat.cast_one, PartENat.lt_add_one_iff_lt hx]
case neg M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : ¬x = ⊤ ⊢ x < ↑(succ n) ↔ x ≤ ↑n
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg M : Type ?u.226745 α : Type ?u.226748 inst✝¹ : Group M inst✝ : MulAction M α x : PartENat n : ℕ hx : ¬x = ⊤ ⊢ x < ↑(succ n) ↔ x ≤ ↑n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
by_cases hα : Subsingleton α
M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 ⊢ IsPreprimitive M α
case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : Subsingleton α ⊢ IsPreprimitive M α case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α ⊢ IsPreprimitive M α
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 ⊢ IsPreprimitive M α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
have hα' : 2 ≤ PartENat.card α := by rw [← PartENat.card_le_one_iff_subsingleton, not_le] at hα exact PartENat.coe_succ_le_iff.mpr hα
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α ⊢ IsPreprimitive M α
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsPreprimitive M α
Please generate a tactic in lean4 to solve the state. STATE: case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α ⊢ IsPreprimitive M α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
have : IsPretransitive M α := by rw [isPretransitive_iff_is_one_pretransitive] apply isMultiplyPretransitive_of_higher M α h2 norm_num exact hα'
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsPreprimitive M α
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α ⊢ IsPreprimitive M α
Please generate a tactic in lean4 to solve the state. STATE: case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsPreprimitive M α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
apply IsPreprimitive.mk
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α ⊢ IsPreprimitive M α
case neg.has_trivial_blocks' M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α ⊢ ∀ {B : Set α}, IsBlock M B → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α ⊢ IsPreprimitive M α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
intro B hB
case neg.has_trivial_blocks' M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α ⊢ ∀ {B : Set α}, IsBlock M B → IsTrivialBlock B
case neg.has_trivial_blocks' M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks' M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α ⊢ ∀ {B : Set α}, IsBlock M B → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
cases' B.subsingleton_or_nontrivial with h h
case neg.has_trivial_blocks' M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B ⊢ IsTrivialBlock B
case neg.has_trivial_blocks'.inl M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Subsingleton B ⊢ IsTrivialBlock B case neg.has_trivial_blocks'.inr M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Nontrivial B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks' M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
apply IsPreprimitive.on_subsingleton
case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : Subsingleton α ⊢ IsPreprimitive M α
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : Subsingleton α ⊢ IsPreprimitive M α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [← PartENat.card_le_one_iff_subsingleton, not_le] at hα
M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α ⊢ 2 ≤ PartENat.card α
M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : 1 < PartENat.card α ⊢ 2 ≤ PartENat.card α
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α ⊢ 2 ≤ PartENat.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
exact PartENat.coe_succ_le_iff.mpr hα
M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : 1 < PartENat.card α ⊢ 2 ≤ PartENat.card α
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : 1 < PartENat.card α ⊢ 2 ≤ PartENat.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [isPretransitive_iff_is_one_pretransitive]
M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsPretransitive M α
M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsMultiplyPretransitive M α 1
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsPretransitive M α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
apply isMultiplyPretransitive_of_higher M α h2
M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsMultiplyPretransitive M α 1
case hmn M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ 1 ≤ 2 case hα M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ ↑2 ≤ PartENat.card α
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ IsMultiplyPretransitive M α 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
norm_num
case hmn M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ 1 ≤ 2 case hα M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ ↑2 ≤ PartENat.card α
case hα M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ ↑2 ≤ PartENat.card α
Please generate a tactic in lean4 to solve the state. STATE: case hmn M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ 1 ≤ 2 case hα M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ ↑2 ≤ PartENat.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
exact hα'
case hα M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ ↑2 ≤ PartENat.card α
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hα M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α ⊢ ↑2 ≤ PartENat.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
left
case neg.has_trivial_blocks'.inl M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Subsingleton B ⊢ IsTrivialBlock B
case neg.has_trivial_blocks'.inl.h M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Subsingleton B ⊢ Set.Subsingleton B
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks'.inl M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Subsingleton B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
exact h
case neg.has_trivial_blocks'.inl.h M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Subsingleton B ⊢ Set.Subsingleton B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks'.inl.h M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Subsingleton B ⊢ Set.Subsingleton B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
right
case neg.has_trivial_blocks'.inr M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Nontrivial B ⊢ IsTrivialBlock B
case neg.has_trivial_blocks'.inr.h M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Nontrivial B ⊢ B = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks'.inr M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Nontrivial B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
obtain ⟨a, ha, b, hb, h⟩ := h
case neg.has_trivial_blocks'.inr.h M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Nontrivial B ⊢ B = ⊤
case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b ⊢ B = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks'.inr.h M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B h : Set.Nontrivial B ⊢ B = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [eq_top_iff]
case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b ⊢ B = ⊤
case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b ⊢ ⊤ ≤ B
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b ⊢ B = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
intro c _
case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b ⊢ ⊤ ≤ B
case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ ⊢ c ∈ B
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b ⊢ ⊤ ≤ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
by_cases h' : a = c
case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ ⊢ c ∈ B
case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : a = c ⊢ c ∈ B case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B
Please generate a tactic in lean4 to solve the state. STATE: case neg.has_trivial_blocks'.inr.h.intro.intro.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ ⊢ c ∈ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [← h']
case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : a = c ⊢ c ∈ B
case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : a = c ⊢ a ∈ B
Please generate a tactic in lean4 to solve the state. STATE: case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : a = c ⊢ c ∈ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
exact ha
case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : a = c ⊢ a ∈ B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : a = c ⊢ a ∈ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [IsBlock.mk_subset] at hB
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B
Please generate a tactic in lean4 to solve the state. STATE: case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : IsBlock M B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [is_two_pretransitive_iff] at h2
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B
Please generate a tactic in lean4 to solve the state. STATE: case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : IsMultiplyPretransitive M α 2 hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
obtain ⟨g, hga, hgb⟩ := h2 a b a c h h'
case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B
case neg.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ c ∈ B
Please generate a tactic in lean4 to solve the state. STATE: case neg M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c ⊢ c ∈ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
apply hB ha
case neg.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ c ∈ B
case neg.intro.intro.x M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ a ∈ ?m.235992 • B case neg.intro.intro.a M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ c ∈ ?m.235992 • B M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ M
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.intro M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ c ∈ B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [← hga]
case neg.intro.intro.x M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ a ∈ ?m.235992 • B
case neg.intro.intro.x M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ g • a ∈ ?m.235992 • B M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ M
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.intro.x M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ a ∈ ?m.235992 • B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
exact Set.smul_mem_smul_set ha
case neg.intro.intro.x M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ g • a ∈ ?m.235992 • B M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ M
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.intro.x M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ g • a ∈ ?m.235992 • B M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ M TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
rw [← hgb]
case neg.intro.intro.a M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ c ∈ g • B
case neg.intro.intro.a M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ g • b ∈ g • B
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.intro.a M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ c ∈ g • B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.isPreprimitive_of_two
[920, 1]
[953, 39]
exact Set.smul_mem_smul_set hb
case neg.intro.intro.a M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ g • b ∈ g • B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.intro.intro.a M : Type u_1 α : Type u_2 inst✝¹ : Group M inst✝ : MulAction M α h2 : ∀ (a b c d : α), a ≠ b → c ≠ d → ∃ m, m • a = c ∧ m • b = d hα : ¬Subsingleton α hα' : 2 ≤ PartENat.card α this : IsPretransitive M α B : Set α hB : ∀ {g : M} {b : α}, b ∈ B → b ∈ g • B → g • B ≤ B a : α ha : a ∈ B b : α hb : b ∈ B h : a ≠ b c : α a✝ : c ∈ ⊤ h' : ¬a = c g : M hga : g • a = a hgb : g • b = c ⊢ g • b ∈ g • B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPretransitive
[959, 1]
[965, 33]
apply IsPretransitive.mk
M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α ⊢ IsPretransitive (Equiv.Perm α) α
case exists_smul_eq M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α ⊢ ∀ (x y : α), ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α ⊢ IsPretransitive (Equiv.Perm α) α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPretransitive
[959, 1]
[965, 33]
intro x y
case exists_smul_eq M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α ⊢ ∀ (x y : α), ∃ g, g • x = y
case exists_smul_eq M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α ⊢ ∀ (x y : α), ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPretransitive
[959, 1]
[965, 33]
use Equiv.swap x y
case exists_smul_eq M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ ∃ g, g • x = y
case h M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ Equiv.swap x y • x = y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPretransitive
[959, 1]
[965, 33]
simp only [Equiv.Perm.smul_def]
case h M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ Equiv.swap x y • x = y
case h M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ (Equiv.swap x y) x = y
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ Equiv.swap x y • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPretransitive
[959, 1]
[965, 33]
rw [Equiv.swap_apply_left x y]
case h M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ (Equiv.swap x y) x = y
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type ?u.237454 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : DecidableEq α x y : α ⊢ (Equiv.swap x y) x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
cases' le_or_gt n (Fintype.card α) with hn hn
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n
case inl M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n case inr M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
suffices IsEmpty (Fin n ↪ α) by apply IsPretransitive.mk intro x exfalso exact this.false x
case inr M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n
case inr M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ IsEmpty (Fin n ↪ α)
Please generate a tactic in lean4 to solve the state. STATE: case inr M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
apply Function.Embedding.isEmpty_of_card_lt
case inr M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ IsEmpty (Fin n ↪ α)
case inr.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ Fintype.card α < Fintype.card (Fin n)
Please generate a tactic in lean4 to solve the state. STATE: case inr M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ IsEmpty (Fin n ↪ α) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
simp only [Fintype.card_fin]
case inr.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ Fintype.card α < Fintype.card (Fin n)
case inr.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ Fintype.card α < n
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ Fintype.card α < Fintype.card (Fin n) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
exact hn
case inr.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ Fintype.card α < n
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α ⊢ Fintype.card α < n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
apply isMultiplyPretransitive_of_higher (Equiv.Perm α) α _ hn
case inl M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n
case inl M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ↑(Fintype.card α) ≤ PartENat.card α M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α)
Please generate a tactic in lean4 to solve the state. STATE: case inl M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
apply le_of_eq
case inl M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ↑(Fintype.card α) ≤ PartENat.card α M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α)
case inl.a M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ↑(Fintype.card α) = PartENat.card α M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α)
Please generate a tactic in lean4 to solve the state. STATE: case inl M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ↑(Fintype.card α) ≤ PartENat.card α M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
rw [PartENat.card_eq_coe_fintype_card]
case inl.a M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ↑(Fintype.card α) = PartENat.card α M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α)
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α)
Please generate a tactic in lean4 to solve the state. STATE: case inl.a M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ↑(Fintype.card α) = PartENat.card α M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
apply IsPretransitive.mk
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α)
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ∀ (x y : Fin (Fintype.card α) ↪ α), ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α (Fintype.card α) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
intro x y
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ∀ (x y : Fin (Fintype.card α) ↪ α), ∃ g, g • x = y
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α ⊢ ∀ (x y : Fin (Fintype.card α) ↪ α), ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
suffices h : Function.Bijective x ∧ Function.Bijective y by let x' := Equiv.ofBijective x h.1 let y' := Equiv.ofBijective y h.2 use x'.symm.trans y' ext i simp only [smul_apply, Equiv.Perm.smul_def, Equiv.trans_apply, x', y'] simp only [Equiv.ofBijective_symm_apply_apply, Equiv.ofBijective_apply]
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ ∃ g, g • x = y
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑x ∧ Function.Bijective ⇑y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
constructor
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑x ∧ Function.Bijective ⇑y
case exists_smul_eq.left M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑x case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑x ∧ Function.Bijective ⇑y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
all_goals rw [Fintype.bijective_iff_injective_and_card] constructor apply EmbeddingLike.injective exact Fintype.card_fin (Fintype.card α)
case exists_smul_eq.left M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑x case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑y
no goals
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.left M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑x case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
let x' := Equiv.ofBijective x h.1
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y ⊢ ∃ g, g • x = y
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ ⊢ ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y ⊢ ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
let y' := Equiv.ofBijective y h.2
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ ⊢ ∃ g, g • x = y
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ ⊢ ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ ⊢ ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
use x'.symm.trans y'
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ ⊢ ∃ g, g • x = y
case h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ ⊢ x'.symm.trans y' • x = y
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ ⊢ ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
ext i
case h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ ⊢ x'.symm.trans y' • x = y
case h.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ i : Fin (Fintype.card α) ⊢ (x'.symm.trans y' • x) i = y i
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ ⊢ x'.symm.trans y' • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
simp only [smul_apply, Equiv.Perm.smul_def, Equiv.trans_apply, x', y']
case h.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ i : Fin (Fintype.card α) ⊢ (x'.symm.trans y' • x) i = y i
case h.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ i : Fin (Fintype.card α) ⊢ (Equiv.ofBijective ⇑y ⋯) ((Equiv.ofBijective ⇑x ⋯).symm (x i)) = y i
Please generate a tactic in lean4 to solve the state. STATE: case h.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ i : Fin (Fintype.card α) ⊢ (x'.symm.trans y' • x) i = y i TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
simp only [Equiv.ofBijective_symm_apply_apply, Equiv.ofBijective_apply]
case h.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ i : Fin (Fintype.card α) ⊢ (Equiv.ofBijective ⇑y ⋯) ((Equiv.ofBijective ⇑x ⋯).symm (x i)) = y i
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.h M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α h : Function.Bijective ⇑x ∧ Function.Bijective ⇑y x' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑x ⋯ y' : Fin (Fintype.card α) ≃ α := Equiv.ofBijective ⇑y ⋯ i : Fin (Fintype.card α) ⊢ (Equiv.ofBijective ⇑y ⋯) ((Equiv.ofBijective ⇑x ⋯).symm (x i)) = y i TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
rw [Fintype.bijective_iff_injective_and_card]
case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑y
case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Injective ⇑y ∧ Fintype.card (Fin (Fintype.card α)) = Fintype.card α
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Bijective ⇑y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
constructor
case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Injective ⇑y ∧ Fintype.card (Fin (Fintype.card α)) = Fintype.card α
case exists_smul_eq.right.left M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Injective ⇑y case exists_smul_eq.right.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Fintype.card (Fin (Fintype.card α)) = Fintype.card α
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Injective ⇑y ∧ Fintype.card (Fin (Fintype.card α)) = Fintype.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
apply EmbeddingLike.injective
case exists_smul_eq.right.left M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Injective ⇑y case exists_smul_eq.right.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Fintype.card (Fin (Fintype.card α)) = Fintype.card α
case exists_smul_eq.right.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Fintype.card (Fin (Fintype.card α)) = Fintype.card α
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.right.left M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Function.Injective ⇑y case exists_smul_eq.right.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Fintype.card (Fin (Fintype.card α)) = Fintype.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
exact Fintype.card_fin (Fintype.card α)
case exists_smul_eq.right.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Fintype.card (Fin (Fintype.card α)) = Fintype.card α
no goals
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq.right.right M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n ≤ Fintype.card α x y : Fin (Fintype.card α) ↪ α ⊢ Fintype.card (Fin (Fintype.card α)) = Fintype.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
apply IsPretransitive.mk
M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) ⊢ ∀ (x y : Fin n ↪ α), ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) ⊢ IsMultiplyPretransitive (Equiv.Perm α) α n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
intro x
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) ⊢ ∀ (x y : Fin n ↪ α), ∃ g, g • x = y
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) x : Fin n ↪ α ⊢ ∀ (y : Fin n ↪ α), ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) ⊢ ∀ (x y : Fin n ↪ α), ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
exfalso
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) x : Fin n ↪ α ⊢ ∀ (y : Fin n ↪ α), ∃ g, g • x = y
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) x : Fin n ↪ α ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) x : Fin n ↪ α ⊢ ∀ (y : Fin n ↪ α), ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isMultiplyPretransitive
[971, 1]
[1000, 11]
exact this.false x
case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) x : Fin n ↪ α ⊢ False
no goals
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq M : Type ?u.240457 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α n : ℕ hn : n > Fintype.card α this : IsEmpty (Fin n ↪ α) x : Fin n ↪ α ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPreprimitive
[1004, 1]
[1008, 43]
cases subsingleton_or_nontrivial α
M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α ⊢ IsPreprimitive (Equiv.Perm α) α
case inl M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Subsingleton α ⊢ IsPreprimitive (Equiv.Perm α) α case inr M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Nontrivial α ⊢ IsPreprimitive (Equiv.Perm α) α
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α ⊢ IsPreprimitive (Equiv.Perm α) α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPreprimitive
[1004, 1]
[1008, 43]
apply IsMultiplyPretransitive.isPreprimitive_of_two
case inr M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Nontrivial α ⊢ IsPreprimitive (Equiv.Perm α) α
case inr.h2 M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Nontrivial α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α 2
Please generate a tactic in lean4 to solve the state. STATE: case inr M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Nontrivial α ⊢ IsPreprimitive (Equiv.Perm α) α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPreprimitive
[1004, 1]
[1008, 43]
apply Equiv.Perm.isMultiplyPretransitive
case inr.h2 M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Nontrivial α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α 2
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h2 M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Nontrivial α ⊢ IsMultiplyPretransitive (Equiv.Perm α) α 2 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
Equiv.Perm.isPreprimitive
[1004, 1]
[1008, 43]
exact IsPreprimitive.on_subsingleton
case inl M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Subsingleton α ⊢ IsPreprimitive (Equiv.Perm α) α
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inl M : Type ?u.243758 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α h✝ : Subsingleton α ⊢ IsPreprimitive (Equiv.Perm α) α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
rw [Nat.lt_iff_le_not_le]
M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n ⊢ m < n - 1 ∨ m = n - 1
M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n ⊢ m < n - 1 ∨ m = n - 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
cases' dec_em (m = n - 1) with h h'
M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1
case inl M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h : m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1 case inr M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
exact Or.intro_right _ h
case inl M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h : m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inl M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h : m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
apply Or.intro_left
case inr M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1
case inr.h M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m
Please generate a tactic in lean4 to solve the state. STATE: case inr M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m ∨ m = n - 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
apply And.intro
case inr.h M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m
case inr.h.left M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ ¬n - 1 ≤ m
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 ∧ ¬n - 1 ≤ m TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
exact Nat.le_pred_of_lt hmn
case inr.h.left M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h.left M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ m ≤ n - 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
intro h
case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ ¬n - 1 ≤ m
case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 h : n - 1 ≤ m ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 ⊢ ¬n - 1 ≤ m TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
apply h'
case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 h : n - 1 ≤ m ⊢ False
case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 h : n - 1 ≤ m ⊢ m = n - 1
Please generate a tactic in lean4 to solve the state. STATE: case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 h : n - 1 ≤ m ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.aux_lt_iff_lt_or_eq
[1013, 1]
[1021, 54]
exact Nat.le_antisymm (Nat.le_pred_of_lt hmn) h
case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 h : n - 1 ≤ m ⊢ m = n - 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h.right M : Type ?u.247599 α : Type ?u.247602 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α m n : ℕ hmn : m < n h' : ¬m = n - 1 h : n - 1 ≤ m ⊢ m = n - 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.eq_top_of_is_full_minus_one_pretransitive
[1025, 1]
[1065, 6]
let j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ((Fintype.card α).sub_le 1)).toEmbedding
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) ⊢ G = ⊤
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding ⊢ G = ⊤
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) ⊢ G = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.eq_top_of_is_full_minus_one_pretransitive
[1025, 1]
[1065, 6]
rw [eq_top_iff]
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding ⊢ G = ⊤
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding ⊢ ⊤ ≤ G
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding ⊢ G = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.eq_top_of_is_full_minus_one_pretransitive
[1025, 1]
[1065, 6]
intro k _
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding ⊢ ⊤ ≤ G
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding k : Equiv.Perm α a✝ : k ∈ ⊤ ⊢ k ∈ G
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding ⊢ ⊤ ≤ G TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/MultipleTransitivity.lean
MulAction.IsMultiplyPretransitive.eq_top_of_is_full_minus_one_pretransitive
[1025, 1]
[1065, 6]
let x : Fin (Fintype.card α) ↪ α := (Fintype.equivFinOfCardEq rfl).symm.toEmbedding
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding k : Equiv.Perm α a✝ : k ∈ ⊤ ⊢ k ∈ G
M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding k : Equiv.Perm α a✝ : k ∈ ⊤ x : Fin (Fintype.card α) ↪ α := Equiv.toEmbedding (Fintype.equivFinOfCardEq ⋯).symm ⊢ k ∈ G
Please generate a tactic in lean4 to solve the state. STATE: M : Type ?u.248388 α : Type u_1 inst✝² : Group M inst✝¹ : MulAction M α inst✝ : Fintype α G : Subgroup (Equiv.Perm α) hmt : IsMultiplyPretransitive (↥G) α (Fintype.card α - 1) j : Fin (Fintype.card α - 1) ↪ Fin (Fintype.card α) := (Fin.castLEEmb ⋯).toEmbedding k : Equiv.Perm α a✝ : k ∈ ⊤ ⊢ k ∈ G TACTIC: