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https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_mul
[1775, 1]
[1791, 48]
rw [Equiv.Perm.coe_mul, Function.comp_apply, hσ, hτ]
case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g σ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hσ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(σ c)).card = (Equiv.Perm.support ↑c).card τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑((σ * τ) c)).card = (Equiv.Perm.support ↑c).card
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g σ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hσ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(σ c)).card = (Equiv.Perm.support ↑c).card τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑((σ * τ) c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_mul
[1775, 1]
[1791, 48]
simp only [k_apply_of_not_mem_support x hx]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g σ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hσ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(σ c)).card = (Equiv.Perm.support ↑c).card τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α hx : x ∉ Equiv.Perm.support g ⊢ k a σ (k a τ x) = k a (σ * τ) x
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g σ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hσ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(σ c)).card = (Equiv.Perm.support ↑c).card τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α hx : x ∉ Equiv.Perm.support g ⊢ k a σ (k a τ x) = k a (σ * τ) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
ext x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g ⊢ k a 1 = id
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α ⊢ k a 1 x = id x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g ⊢ k a 1 = id TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
by_cases hx : x ∈ g.support
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α ⊢ k a 1 x = id x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : x ∈ Equiv.Perm.support g ⊢ k a 1 x = id x case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : x ∉ Equiv.Perm.support g ⊢ k a 1 x = id x
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α ⊢ k a 1 x = id x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
simp only [id.def, k_apply_of_not_mem_support x hx]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : x ∉ Equiv.Perm.support g ⊢ k a 1 x = id x
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : x ∉ Equiv.Perm.support g ⊢ k a 1 x = id x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
simp only [mem_support_iff_exists_Kf a] at hx
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : x ∈ Equiv.Perm.support g ⊢ k a 1 x = id x
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : ∃ c i, x = Kf a 1 (c, i) ⊢ k a 1 x = id x
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : x ∈ Equiv.Perm.support g ⊢ k a 1 x = id x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
obtain ⟨c, i, rfl⟩ := hx
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : ∃ c i, x = Kf a 1 (c, i) ⊢ k a 1 x = id x
case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ k a 1 (Kf a 1 (c, i)) = id (Kf a 1 (c, i))
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g x : α hx : ∃ c i, x = Kf a 1 (c, i) ⊢ k a 1 x = id x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
rw [k_apply]
case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ k a 1 (Kf a 1 (c, i)) = id (Kf a 1 (c, i))
case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ Kf a 1 (c, i) = id (Kf a 1 (c, i)) case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ k a 1 (Kf a 1 (c, i)) = id (Kf a 1 (c, i)) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
rfl
case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ Kf a 1 (c, i) = id (Kf a 1 (c, i)) case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card
case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ Kf a 1 (c, i) = id (Kf a 1 (c, i)) case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
intro c
case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card
case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_one
[1794, 1]
[1802, 54]
rfl
case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } i : ℤ c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(1 c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
rw [Fintype.bijective_iff_surjective_and_card]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Bijective (k a τ)
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Surjective (k a τ) ∧ Fintype.card α = Fintype.card α
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Bijective (k a τ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
refine' And.intro _ rfl
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Surjective (k a τ) ∧ Fintype.card α = Fintype.card α
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Surjective (k a τ)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Surjective (k a τ) ∧ Fintype.card α = Fintype.card α TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
rw [Function.surjective_iff_hasRightInverse]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Surjective (k a τ)
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.HasRightInverse (k a τ)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.Surjective (k a τ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
use k a τ⁻¹
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.HasRightInverse (k a τ)
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.RightInverse (k a τ⁻¹) (k a τ)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.HasRightInverse (k a τ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
rw [Function.rightInverse_iff_comp]
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.RightInverse (k a τ⁻¹) (k a τ)
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a τ ∘ k a τ⁻¹ = id
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ Function.RightInverse (k a τ⁻¹) (k a τ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
rw [k_mul]
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a τ ∘ k a τ⁻¹ = id
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a (τ * τ⁻¹) = id case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a τ ∘ k a τ⁻¹ = id TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
rw [mul_inv_self]
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a (τ * τ⁻¹) = id case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a 1 = id case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a (τ * τ⁻¹) = id case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
rw [k_one]
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a 1 = id case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ k a 1 = id case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
exact hτ
case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case h.hσ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
intro c
case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_bij
[1805, 1]
[1815, 56]
rw [← hτ (τ⁻¹ c), Equiv.Perm.apply_inv_self]
case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.hτ α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(τ⁻¹ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
by_cases hx : x ∈ g.support
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∈ Equiv.Perm.support g ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
simp only [mem_support_iff_exists_Kf a] at hx
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∈ Equiv.Perm.support g ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x)
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : ∃ c i, x = Kf a 1 (c, i) ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x)
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∈ Equiv.Perm.support g ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
obtain ⟨d, j, rfl⟩ := hx
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : ∃ c i, x = Kf a 1 (c, i) ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x)
case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j)))
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : ∃ c i, x = Kf a 1 (c, i) ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
by_cases hcd : c = d
case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j)))
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j))) case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j)))
Please generate a tactic in lean4 to solve the state. STATE: case pos.intro.intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j))) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
rw [hcd, Equiv.Perm.Basis.Kf_apply', k_apply a d _ hτ, k_apply a d _ hτ, ← Equiv.Perm.Basis.Kf_apply']
case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j)))
case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ τ d = τ d case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ d = 1 d
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j))) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
rfl
case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ τ d = τ d case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ d = 1 d
case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ d = 1 d
Please generate a tactic in lean4 to solve the state. STATE: case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ τ d = τ d case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ d = 1 d TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
simp only [Equiv.Perm.coe_one, id.def]
case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ d = 1 d
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.hd α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : c = d ⊢ d = 1 d TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
rw [Equiv.Perm.Basis.Kf_apply'' a, k_apply a _ _ hτ, Equiv.Perm.Basis.Kf_apply'' a]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j)))
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ τ c ≠ τ d case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ c ≠ 1 d
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ k a τ (↑c (Kf a 1 (d, j))) = ↑(τ c) (k a τ (Kf a 1 (d, j))) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
exact (Equiv.injective τ).ne_iff.mpr hcd
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ τ c ≠ τ d case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ c ≠ 1 d
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ c ≠ 1 d
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ τ c ≠ τ d case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ c ≠ 1 d TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
exact hcd
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ c ≠ 1 d
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c d : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } j : ℤ hcd : ¬c = d ⊢ c ≠ 1 d TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
suffices ∀ (c : g.cycleFactorsFinset), (c : Equiv.Perm α) x = x by simp only [this, k_apply_of_not_mem_support x hx]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x)
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), ↑c x = x
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
intro c
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), ↑c x = x
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ↑c x = x
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g ⊢ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), ↑c x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
rw [← Equiv.Perm.not_mem_support]
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ↑c x = x
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ x ∉ Equiv.Perm.support ↑c
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ↑c x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
apply Finset.not_mem_mono _ hx
case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ x ∉ Equiv.Perm.support ↑c
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ Equiv.Perm.support ↑c ⊆ Equiv.Perm.support g
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ x ∉ Equiv.Perm.support ↑c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
exact Equiv.Perm.mem_cycleFactorsFinset_support_le c.prop
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ Equiv.Perm.support ↑c ⊆ Equiv.Perm.support g
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c✝ : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ Equiv.Perm.support ↑c ⊆ Equiv.Perm.support g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.k_cycle_apply
[1818, 1]
[1839, 62]
simp only [this, k_apply_of_not_mem_support x hx]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g this : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), ↑c x = x ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x)
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α hx : x ∉ Equiv.Perm.support g this : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), ↑c x = x ⊢ k a τ (↑c x) = ↑(τ c) (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_eq_card_of_mem_range
[1842, 1]
[1847, 24]
obtain ⟨⟨k, hk⟩, rfl⟩ := hτ
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) hτ : τ ∈ MonoidHom.range (φ g) c : ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
case intro.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : ↑↑(Equiv.Perm.cycleFactorsFinset g) k : ConjAct (Equiv.Perm α) hk : k ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g ⊢ (Equiv.Perm.support ↑(((φ g) { val := k, property := hk }) c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) hτ : τ ∈ MonoidHom.range (φ g) c : ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_eq_card_of_mem_range
[1842, 1]
[1847, 24]
rw [φ_eq, ConjAct.smul_def, Equiv.Perm.support_conj]
case intro.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : ↑↑(Equiv.Perm.cycleFactorsFinset g) k : ConjAct (Equiv.Perm α) hk : k ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g ⊢ (Equiv.Perm.support ↑(((φ g) { val := k, property := hk }) c)).card = (Equiv.Perm.support ↑c).card
case intro.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : ↑↑(Equiv.Perm.cycleFactorsFinset g) k : ConjAct (Equiv.Perm α) hk : k ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g ⊢ (Finset.map (Equiv.toEmbedding (ConjAct.ofConjAct k)) (Equiv.Perm.support ↑c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case intro.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : ↑↑(Equiv.Perm.cycleFactorsFinset g) k : ConjAct (Equiv.Perm α) hk : k ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g ⊢ (Equiv.Perm.support ↑(((φ g) { val := k, property := hk }) c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_eq_card_of_mem_range
[1842, 1]
[1847, 24]
apply Finset.card_map
case intro.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : ↑↑(Equiv.Perm.cycleFactorsFinset g) k : ConjAct (Equiv.Perm α) hk : k ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g ⊢ (Finset.map (Equiv.toEmbedding (ConjAct.ofConjAct k)) (Equiv.Perm.support ↑c)).card = (Equiv.Perm.support ↑c).card
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α c : ↑↑(Equiv.Perm.cycleFactorsFinset g) k : ConjAct (Equiv.Perm α) hk : k ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g ⊢ (Finset.map (Equiv.toEmbedding (ConjAct.ofConjAct k)) (Equiv.Perm.support ↑c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
rw [MulAction.mem_stabilizer_iff]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.toConjAct (φ'Fun a hτ) ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.toConjAct (φ'Fun a hτ) • g = g
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.toConjAct (φ'Fun a hτ) ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
rw [ConjAct.smul_def]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.toConjAct (φ'Fun a hτ) • g = g
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.ofConjAct (ConjAct.toConjAct (φ'Fun a hτ)) * g * (ConjAct.ofConjAct (ConjAct.toConjAct (φ'Fun a hτ)))⁻¹ = g
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.toConjAct (φ'Fun a hτ) • g = g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
rw [ConjAct.ofConjAct_toConjAct]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.ofConjAct (ConjAct.toConjAct (φ'Fun a hτ)) * g * (ConjAct.ofConjAct (ConjAct.toConjAct (φ'Fun a hτ)))⁻¹ = g
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ φ'Fun a hτ * g * (φ'Fun a hτ)⁻¹ = g
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ ConjAct.ofConjAct (ConjAct.toConjAct (φ'Fun a hτ)) * g * (ConjAct.ofConjAct (ConjAct.toConjAct (φ'Fun a hτ)))⁻¹ = g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
rw [mul_inv_eq_iff_eq_mul]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ φ'Fun a hτ * g * (φ'Fun a hτ)⁻¹ = g
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ φ'Fun a hτ * g = g * φ'Fun a hτ
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ φ'Fun a hτ * g * (φ'Fun a hτ)⁻¹ = g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
ext x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ φ'Fun a hτ * g = g * φ'Fun a hτ
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (φ'Fun a hτ * g) x = (g * φ'Fun a hτ) x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ⊢ φ'Fun a hτ * g = g * φ'Fun a hτ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
simp only [Equiv.Perm.coe_mul]
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (φ'Fun a hτ * g) x = (g * φ'Fun a hτ) x
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑(φ'Fun a hτ) ∘ ⇑g) x = (⇑g ∘ ⇑(φ'Fun a hτ)) x
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (φ'Fun a hτ * g) x = (g * φ'Fun a hτ) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
simp only [φ'Fun]
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑(φ'Fun a hτ) ∘ ⇑g) x = (⇑g ∘ ⇑(φ'Fun a hτ)) x
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑(Equiv.ofBijective (k a τ) ⋯) ∘ ⇑g) x = (⇑g ∘ ⇑(Equiv.ofBijective (k a τ) ⋯)) x
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑(φ'Fun a hτ) ∘ ⇑g) x = (⇑g ∘ ⇑(φ'Fun a hτ)) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
simp only [Function.comp_apply, Equiv.ofBijective_apply]
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑(Equiv.ofBijective (k a τ) ⋯) ∘ ⇑g) x = (⇑g ∘ ⇑(Equiv.ofBijective (k a τ) ⋯)) x
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ k a τ (g x) = g (k a τ x)
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑(Equiv.ofBijective (k a τ) ⋯) ∘ ⇑g) x = (⇑g ∘ ⇑(Equiv.ofBijective (k a τ) ⋯)) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
rw [← Function.comp_apply (f := k a τ)]
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ k a τ (g x) = g (k a τ x)
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (k a τ ∘ ⇑g) x = g (k a τ x)
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ k a τ (g x) = g (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
rw [k_commute hτ]
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (k a τ ∘ ⇑g) x = g (k a τ x)
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑g ∘ k a τ) x = g (k a τ x)
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (k a τ ∘ ⇑g) x = g (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_mem_stabilizer
[1857, 1]
[1871, 6]
rfl
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑g ∘ k a τ) x = g (k a τ x)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card x : α ⊢ (⇑g ∘ k a τ) x = g (k a τ x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.mem_Iφ_iff
[1900, 1]
[1902, 22]
simp only [Iφ]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g ↔ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ { toSubmonoid := { toSubsemigroup := { carrier := {τ | ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card}, mul_mem' := ⋯ }, one_mem' := ⋯ }, inv_mem' := ⋯ } ↔ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g ↔ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.mem_Iφ_iff
[1900, 1]
[1902, 22]
rfl
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ { toSubmonoid := { toSubsemigroup := { carrier := {τ | ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card}, mul_mem' := ⋯ }, one_mem' := ⋯ }, inv_mem' := ⋯ } ↔ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ { toSubmonoid := { toSubsemigroup := { carrier := {τ | ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card}, mul_mem' := ⋯ }, one_mem' := ⋯ }, inv_mem' := ⋯ } ↔ ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_support_le
[1954, 1]
[1962, 55]
intro x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) ⊢ Equiv.Perm.support (ConjAct.ofConjAct ↑((φ' a) τ)) ≤ Equiv.Perm.support g
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α ⊢ x ∈ Equiv.Perm.support (ConjAct.ofConjAct ↑((φ' a) τ)) → x ∈ Equiv.Perm.support g
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) ⊢ Equiv.Perm.support (ConjAct.ofConjAct ↑((φ' a) τ)) ≤ Equiv.Perm.support g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_support_le
[1954, 1]
[1962, 55]
simp only [Equiv.Perm.mem_support]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α ⊢ x ∈ Equiv.Perm.support (ConjAct.ofConjAct ↑((φ' a) τ)) → x ∈ Equiv.Perm.support g
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x → g x ≠ x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α ⊢ x ∈ Equiv.Perm.support (ConjAct.ofConjAct ↑((φ' a) τ)) → x ∈ Equiv.Perm.support g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_support_le
[1954, 1]
[1962, 55]
intro hx' hx
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x → g x ≠ x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : g x = x ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x → g x ≠ x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_support_le
[1954, 1]
[1962, 55]
apply hx'
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : g x = x ⊢ False
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : g x = x ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x = x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : g x = x ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_support_le
[1954, 1]
[1962, 55]
rw [← Equiv.Perm.not_mem_support] at hx
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : g x = x ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x = x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : x ∉ Equiv.Perm.support g ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x = x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : g x = x ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.φ'_support_le
[1954, 1]
[1962, 55]
exact OnCycleFactors.k_apply_of_not_mem_support x hx
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : x ∉ Equiv.Perm.support g ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x = x
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) x : α hx' : (ConjAct.ofConjAct ↑((φ' a) τ)) x ≠ x hx : x ∉ Equiv.Perm.support g ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_equivariant
[1965, 1]
[1970, 48]
rw [ConjAct.smul_def]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ↑((φ' a) τ) • ↑c = ↑(↑τ c)
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ConjAct.ofConjAct ↑((φ' a) τ) * ↑c * (ConjAct.ofConjAct ↑((φ' a) τ))⁻¹ = ↑(↑τ c)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ↑((φ' a) τ) • ↑c = ↑(↑τ c) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_equivariant
[1965, 1]
[1970, 48]
rw [mul_inv_eq_iff_eq_mul]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ConjAct.ofConjAct ↑((φ' a) τ) * ↑c * (ConjAct.ofConjAct ↑((φ' a) τ))⁻¹ = ↑(↑τ c)
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ConjAct.ofConjAct ↑((φ' a) τ) * ↑c = ↑(↑τ c) * ConjAct.ofConjAct ↑((φ' a) τ)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ConjAct.ofConjAct ↑((φ' a) τ) * ↑c * (ConjAct.ofConjAct ↑((φ' a) τ))⁻¹ = ↑(↑τ c) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_equivariant
[1965, 1]
[1970, 48]
ext x
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ConjAct.ofConjAct ↑((φ' a) τ) * ↑c = ↑(↑τ c) * ConjAct.ofConjAct ↑((φ' a) τ)
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ) * ↑c) x = (↑(↑τ c) * ConjAct.ofConjAct ↑((φ' a) τ)) x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ ConjAct.ofConjAct ↑((φ' a) τ) * ↑c = ↑(↑τ c) * ConjAct.ofConjAct ↑((φ' a) τ) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_equivariant
[1965, 1]
[1970, 48]
exact OnCycleFactors.k_cycle_apply τ.prop c x
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ) * ↑c) x = (↑(↑τ c) * ConjAct.ofConjAct ↑((φ' a) τ)) x
no goals
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ) * ↑c) x = (↑(↑τ c) * ConjAct.ofConjAct ↑((φ' a) τ)) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
apply Equiv.Perm.ext
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) ⊢ (φ g) ((φ' a) τ) = ↑τ
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) ⊢ ∀ (x : ↑↑(Equiv.Perm.cycleFactorsFinset g)), ((φ g) ((φ' a) τ)) x = ↑τ x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) ⊢ (φ g) ((φ' a) τ) = ↑τ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
rintro ⟨c, hc⟩
case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) ⊢ ∀ (x : ↑↑(Equiv.Perm.cycleFactorsFinset g)), ((φ g) ((φ' a) τ)) x = ↑τ x
case H.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ((φ g) ((φ' a) τ)) { val := c, property := hc } = ↑τ { val := c, property := hc }
Please generate a tactic in lean4 to solve the state. STATE: case H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) ⊢ ∀ (x : ↑↑(Equiv.Perm.cycleFactorsFinset g)), ((φ g) ((φ' a) τ)) x = ↑τ x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
rw [← Subtype.coe_inj]
case H.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ((φ g) ((φ' a) τ)) { val := c, property := hc } = ↑τ { val := c, property := hc }
case H.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(((φ g) ((φ' a) τ)) { val := c, property := hc }) = ↑(↑τ { val := c, property := hc })
Please generate a tactic in lean4 to solve the state. STATE: case H.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ((φ g) ((φ' a) τ)) { val := c, property := hc } = ↑τ { val := c, property := hc } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
convert φ_eq'2 g ((φ' a τ)) ⟨c, hc⟩
case H.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(((φ g) ((φ' a) τ)) { val := c, property := hc }) = ↑(↑τ { val := c, property := hc })
case h.e'_3 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(↑τ { val := c, property := hc }) = ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc } * (ConjAct.ofConjAct ↑((φ' a) τ))⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case H.mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(((φ g) ((φ' a) τ)) { val := c, property := hc }) = ↑(↑τ { val := c, property := hc }) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
rw [eq_mul_inv_iff_mul_eq]
case h.e'_3 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(↑τ { val := c, property := hc }) = ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc } * (ConjAct.ofConjAct ↑((φ' a) τ))⁻¹
case h.e'_3 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(↑τ { val := c, property := hc }) * ConjAct.ofConjAct ↑((φ' a) τ) = ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc }
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(↑τ { val := c, property := hc }) = ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc } * (ConjAct.ofConjAct ↑((φ' a) τ))⁻¹ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
ext x
case h.e'_3 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(↑τ { val := c, property := hc }) * ConjAct.ofConjAct ↑((φ' a) τ) = ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc }
case h.e'_3.H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ (↑(↑τ { val := c, property := hc }) * ConjAct.ofConjAct ↑((φ' a) τ)) x = (ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc }) x
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3 α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ↑(↑τ { val := c, property := hc }) * ConjAct.ofConjAct ↑((φ' a) τ) = ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
simp only [Finset.coe_sort_coe, Equiv.Perm.coe_mul, Function.comp_apply]
case h.e'_3.H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ (↑(↑τ { val := c, property := hc }) * ConjAct.ofConjAct ↑((φ' a) τ)) x = (ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc }) x
case h.e'_3.H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ ↑(↑τ { val := c, property := hc }) ((ConjAct.ofConjAct ↑((φ' a) τ)) x) = (ConjAct.ofConjAct ↑((φ' a) τ)) (c x)
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ (↑(↑τ { val := c, property := hc }) * ConjAct.ofConjAct ↑((φ' a) τ)) x = (ConjAct.ofConjAct ↑((φ' a) τ) * ↑{ val := c, property := hc }) x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
apply symm
case h.e'_3.H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ ↑(↑τ { val := c, property := hc }) ((ConjAct.ofConjAct ↑((φ' a) τ)) x) = (ConjAct.ofConjAct ↑((φ' a) τ)) (c x)
case h.e'_3.H.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) (c x) = ↑(↑τ { val := c, property := hc }) ((ConjAct.ofConjAct ↑((φ' a) τ)) x)
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.H α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ ↑(↑τ { val := c, property := hc }) ((ConjAct.ofConjAct ↑((φ' a) τ)) x) = (ConjAct.ofConjAct ↑((φ' a) τ)) (c x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ'_is_rightInverse
[1977, 1]
[1987, 41]
exact (k_cycle_apply τ.prop ⟨c, hc⟩ x)
case h.e'_3.H.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) (c x) = ↑(↑τ { val := c, property := hc }) ((ConjAct.ofConjAct ↑((φ' a) τ)) x)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3.H.a α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : ↥(Iφ g) c : Equiv.Perm α hc : c ∈ ↑(Equiv.Perm.cycleFactorsFinset g) x : α ⊢ (ConjAct.ofConjAct ↑((φ' a) τ)) (c x) = ↑(↑τ { val := c, property := hc }) ((ConjAct.ofConjAct ↑((φ' a) τ)) x) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.Iφ_eq_range
[1990, 1]
[1997, 34]
obtain ⟨a⟩ := g.existsBasis
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Iφ g = MonoidHom.range (φ g)
case intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g ⊢ Iφ g = MonoidHom.range (φ g)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Iφ g = MonoidHom.range (φ g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.Iφ_eq_range
[1990, 1]
[1997, 34]
ext τ
case intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g ⊢ Iφ g = MonoidHom.range (φ g)
case intro.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g ↔ τ ∈ MonoidHom.range (φ g)
Please generate a tactic in lean4 to solve the state. STATE: case intro α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g ⊢ Iφ g = MonoidHom.range (φ g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.Iφ_eq_range
[1990, 1]
[1997, 34]
constructor
case intro.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g ↔ τ ∈ MonoidHom.range (φ g)
case intro.h.mp α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g → τ ∈ MonoidHom.range (φ g) case intro.h.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ MonoidHom.range (φ g) → τ ∈ Iφ g
Please generate a tactic in lean4 to solve the state. STATE: case intro.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g ↔ τ ∈ MonoidHom.range (φ g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.Iφ_eq_range
[1990, 1]
[1997, 34]
intro hτ
case intro.h.mp α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g → τ ∈ MonoidHom.range (φ g)
case intro.h.mp α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : τ ∈ Iφ g ⊢ τ ∈ MonoidHom.range (φ g)
Please generate a tactic in lean4 to solve the state. STATE: case intro.h.mp α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ Iφ g → τ ∈ MonoidHom.range (φ g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.Iφ_eq_range
[1990, 1]
[1997, 34]
exact ⟨(φ' a) ⟨τ, hτ⟩, hφ'_is_rightInverse ⟨τ, hτ⟩⟩
case intro.h.mp α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : τ ∈ Iφ g ⊢ τ ∈ MonoidHom.range (φ g)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.h.mp α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } hτ : τ ∈ Iφ g ⊢ τ ∈ MonoidHom.range (φ g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.Iφ_eq_range
[1990, 1]
[1997, 34]
rw [mem_Iφ_iff]
case intro.h.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ MonoidHom.range (φ g) → τ ∈ Iφ g
case intro.h.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ MonoidHom.range (φ g) → ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: case intro.h.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ MonoidHom.range (φ g) → τ ∈ Iφ g TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.Iφ_eq_range
[1990, 1]
[1997, 34]
exact hφ_eq_card_of_mem_range
case intro.h.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ MonoidHom.range (φ g) → ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.h.mpr α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α a : Equiv.Perm.Basis g τ : Equiv.Perm { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ τ ∈ MonoidHom.range (φ g) → ∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_mem_range_iff
[2001, 1]
[2005, 6]
simp only [← Iφ_eq_range, mem_Iφ_iff]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ MonoidHom.range (φ g) ↔ ∀ (c : ↑↑(Equiv.Perm.cycleFactorsFinset g)), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card) ↔ ∀ (c : ↑↑(Equiv.Perm.cycleFactorsFinset g)), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ MonoidHom.range (φ g) ↔ ∀ (c : ↑↑(Equiv.Perm.cycleFactorsFinset g)), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_mem_range_iff
[2001, 1]
[2005, 6]
rfl
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card) ↔ ∀ (c : ↑↑(Equiv.Perm.cycleFactorsFinset g)), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card) ↔ ∀ (c : ↑↑(Equiv.Perm.cycleFactorsFinset g)), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range'
[2020, 1]
[2029, 65]
rw [← Iφ_eq_range]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ ↑(MonoidHom.range (φ g)) = {τ | fsc ∘ ⇑τ = fsc}
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ ↑(Iφ g) = {τ | fsc ∘ ⇑τ = fsc}
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ ↑(MonoidHom.range (φ g)) = {τ | fsc ∘ ⇑τ = fsc} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range'
[2020, 1]
[2029, 65]
ext τ
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ ↑(Iφ g) = {τ | fsc ∘ ⇑τ = fsc}
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ ↑(Iφ g) ↔ τ ∈ {τ | fsc ∘ ⇑τ = fsc}
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ ↑(Iφ g) = {τ | fsc ∘ ⇑τ = fsc} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range'
[2020, 1]
[2029, 65]
simp only [Finset.coe_sort_coe, Set.mem_setOf_eq, Function.funext_iff, Function.comp_apply]
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ ↑(Iφ g) ↔ τ ∈ {τ | fsc ∘ ⇑τ = fsc}
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ ↑(Iφ g) ↔ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), fsc (τ a) = fsc a
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ ↑(Iφ g) ↔ τ ∈ {τ | fsc ∘ ⇑τ = fsc} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range'
[2020, 1]
[2029, 65]
simp only [SetLike.mem_coe, mem_Iφ_iff]
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ ↑(Iφ g) ↔ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), fsc (τ a) = fsc a
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card) ↔ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), fsc (τ a) = fsc a
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ τ ∈ ↑(Iφ g) ↔ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), fsc (τ a) = fsc a TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range'
[2020, 1]
[2029, 65]
apply forall_congr'
case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card) ↔ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), fsc (τ a) = fsc a
case h.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ a)).card = (Equiv.Perm.support ↑a).card ↔ fsc (τ a) = fsc a
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ (∀ (c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card) ↔ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), fsc (τ a) = fsc a TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range'
[2020, 1]
[2029, 65]
intro c
case h.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ a)).card = (Equiv.Perm.support ↑a).card ↔ fsc (τ a) = fsc a
case h.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ↔ fsc (τ c) = fsc c
Please generate a tactic in lean4 to solve the state. STATE: case h.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) ⊢ ∀ (a : { x // x ∈ Equiv.Perm.cycleFactorsFinset g }), (Equiv.Perm.support ↑(τ a)).card = (Equiv.Perm.support ↑a).card ↔ fsc (τ a) = fsc a TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range'
[2020, 1]
[2029, 65]
simp only [← Function.Injective.eq_iff Fin.val_injective, fsc]
case h.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ↔ fsc (τ c) = fsc c
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.h α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α τ : Equiv.Perm ↑↑(Equiv.Perm.cycleFactorsFinset g) c : { x // x ∈ Equiv.Perm.cycleFactorsFinset g } ⊢ (Equiv.Perm.support ↑(τ c)).card = (Equiv.Perm.support ↑c).card ↔ fsc (τ c) = fsc c TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card'
[2032, 1]
[2036, 6]
simp_rw [← hφ_range', Nat.card_eq_fintype_card]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Nat.card ↥(MonoidHom.range (φ g)) = Fintype.card ↑{k | fsc ∘ ⇑k = fsc}
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Fintype.card ↥(MonoidHom.range (φ g)) = Fintype.card ↑↑(MonoidHom.range (φ g))
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Nat.card ↥(MonoidHom.range (φ g)) = Fintype.card ↑{k | fsc ∘ ⇑k = fsc} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card'
[2032, 1]
[2036, 6]
rfl
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Fintype.card ↥(MonoidHom.range (φ g)) = Fintype.card ↑↑(MonoidHom.range (φ g))
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Fintype.card ↥(MonoidHom.range (φ g)) = Fintype.card ↑↑(MonoidHom.range (φ g)) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
rw [hφ_range_card', Equiv.Perm.of_partition_card]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Nat.card ↥(MonoidHom.range (φ g)) = Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n (Equiv.Perm.cycleType g))) (Multiset.dedup (Equiv.Perm.cycleType g)))
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ (Finset.prod Finset.univ fun i => Nat.factorial (Fintype.card ↑{a | fsc a = i})) = Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n (Equiv.Perm.cycleType g))) (Multiset.dedup (Equiv.Perm.cycleType g)))
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ Nat.card ↥(MonoidHom.range (φ g)) = Multiset.prod (Multiset.map (fun n => Nat.factorial (Multiset.count n (Equiv.Perm.cycleType g))) (Multiset.dedup (Equiv.Perm.cycleType g))) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
rintro ⟨i, hi⟩
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ ∀ (n : Fin (Fintype.card α + 1)), Fintype.card ↑{a | fsc a = n} = Multiset.count (↑n) (Equiv.Perm.cycleType g)
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count (↑{ val := i, isLt := hi }) (Equiv.Perm.cycleType g)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α ⊢ ∀ (n : Fin (Fintype.card α + 1)), Fintype.card ↑{a | fsc a = n} = Multiset.count (↑n) (Equiv.Perm.cycleType g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
rw [Equiv.Perm.cycleType_def]
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count (↑{ val := i, isLt := hi }) (Equiv.Perm.cycleType g)
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count (↑{ val := i, isLt := hi }) (Multiset.map (Finset.card ∘ Equiv.Perm.support) (Equiv.Perm.cycleFactorsFinset g).val)
Please generate a tactic in lean4 to solve the state. STATE: case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count (↑{ val := i, isLt := hi }) (Equiv.Perm.cycleType g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
simp only [Fin.val_mk]
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count (↑{ val := i, isLt := hi }) (Multiset.map (Finset.card ∘ Equiv.Perm.support) (Equiv.Perm.cycleFactorsFinset g).val)
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count i (Multiset.map (Finset.card ∘ Equiv.Perm.support) (Equiv.Perm.cycleFactorsFinset g).val)
Please generate a tactic in lean4 to solve the state. STATE: case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count (↑{ val := i, isLt := hi }) (Multiset.map (Finset.card ∘ Equiv.Perm.support) (Equiv.Perm.cycleFactorsFinset g).val) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
rw [← Set.ncard_filter_eq_count (Finset.card ∘ Equiv.Perm.support) g.cycleFactorsFinset i]
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count i (Multiset.map (Finset.card ∘ Equiv.Perm.support) (Equiv.Perm.cycleFactorsFinset g).val)
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i}
Please generate a tactic in lean4 to solve the state. STATE: case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Multiset.count i (Multiset.map (Finset.card ∘ Equiv.Perm.support) (Equiv.Perm.cycleFactorsFinset g).val) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
simp only [Set.coe_setOf, Set.mem_setOf_eq, Function.comp_apply]
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i}
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i}
Please generate a tactic in lean4 to solve the state. STATE: case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card ↑{a | fsc a = { val := i, isLt := hi }} = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
let u : {x : g.cycleFactorsFinset | fsc x = ⟨i, hi⟩} → {x ∈ g.cycleFactorsFinset | (Finset.card ∘ Equiv.Perm.support) x = i} := fun ⟨⟨x, hx⟩, hx'⟩ => ⟨x, by simp only [fsc, Fin.mk.injEq, Set.mem_setOf_eq] at hx' simp only [Function.comp_apply, Set.mem_setOf_eq] exact ⟨hx, hx'⟩⟩
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i}
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 u : ↑{x | fsc x = { val := i, isLt := hi }} → ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i} := fun x => match x with | { val := { val := x, property := hx }, property := hx' } => { val := x, property := ⋯ } ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i}
Please generate a tactic in lean4 to solve the state. STATE: case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
rw [← Set.Nat.card_coe_set_eq, Nat.card_eq_fintype_card]
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 u : ↑{x | fsc x = { val := i, isLt := hi }} → ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i} := fun x => match x with | { val := { val := x, property := hx }, property := hx' } => { val := x, property := ⋯ } this : Function.Bijective u ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i}
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 u : ↑{x | fsc x = { val := i, isLt := hi }} → ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i} := fun x => match x with | { val := { val := x, property := hx }, property := hx' } => { val := x, property := ⋯ } this : Function.Bijective u ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Fintype.card ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i}
Please generate a tactic in lean4 to solve the state. STATE: case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 u : ↑{x | fsc x = { val := i, isLt := hi }} → ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i} := fun x => match x with | { val := { val := x, property := hx }, property := hx' } => { val := x, property := ⋯ } this : Function.Bijective u ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Set.ncard {x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.hφ_range_card
[2039, 1]
[2088, 39]
apply Fintype.card_of_bijective this
case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 u : ↑{x | fsc x = { val := i, isLt := hi }} → ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i} := fun x => match x with | { val := { val := x, property := hx }, property := hx' } => { val := x, property := ⋯ } this : Function.Bijective u ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Fintype.card ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i}
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α i : ℕ hi : i < Fintype.card α + 1 u : ↑{x | fsc x = { val := i, isLt := hi }} → ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Finset.card ∘ Equiv.Perm.support) x = i} := fun x => match x with | { val := { val := x, property := hx }, property := hx' } => { val := x, property := ⋯ } this : Function.Bijective u ⊢ Fintype.card { x // fsc x = { val := i, isLt := hi } } = Fintype.card ↑{x | x ∈ Equiv.Perm.cycleFactorsFinset g ∧ (Equiv.Perm.support x).card = i} TACTIC: