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https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_coe
[338, 1]
[341, 6]
rfl
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = x
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
constructor
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Bijective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Injective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Surjective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Bijective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rintro ⟨x, hx⟩ ⟨y, hy⟩ h
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Injective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Injective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
simp only [Subtype.mk_eq_mk]
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ x = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rw [← SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_coe M hx]
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ x = y
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rw [← SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_coe M hy]
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = y
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy })
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rw [h]
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy })
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx : x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) y : α hy : y ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) h : (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx } = (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy } ⊢ ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := x, property := hx }) = ↑↑((equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := y, property := hy }) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rintro ⟨⟨x, hx1⟩, hx2⟩
case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Surjective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ ∃ a_1, (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := x, property := hx1 }, property := hx2 }
Please generate a tactic in lean4 to solve the state. STATE: case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Surjective ⇑(equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
refine' ⟨⟨x, _⟩, rfl⟩
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ ∃ a_1, (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := x, property := hx1 }, property := hx2 }
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s))
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ ∃ a_1, (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := x, property := hx1 }, property := hx2 } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rw [SubMulAction.mem_ofFixingSubgroup_iff]
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s))
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ x ∉ insert a (Subtype.val '' s)
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ x ∈ ofFixingSubgroup M (insert a (Subtype.val '' s)) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
intro h
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ x ∉ insert a (Subtype.val '' s)
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s ⊢ x ∉ insert a (Subtype.val '' s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
cases Set.mem_insert_iff.mp h with | inl h' => rw [SubMulAction.mem_ofStabilizer_iff] at hx1 ; exact hx1 h' | inr h' => rw [SubMulAction.mem_ofFixingSubgroup_iff] at hx2 apply hx2 obtain ⟨x1, hx1', rfl⟩ := h' simp only [SetLike.eta] exact hx1'
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) ⊢ False
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rw [SubMulAction.mem_ofStabilizer_iff] at hx1
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) h' : x = a ⊢ False
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1✝ : x ∈ ofStabilizer M a hx1 : x ≠ a hx2 : { val := x, property := hx1✝ } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) h' : x = a ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) h' : x = a ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
exact hx1 h'
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1✝ : x ∈ ofStabilizer M a hx1 : x ≠ a hx2 : { val := x, property := hx1✝ } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) h' : x = a ⊢ False
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1✝ : x ∈ ofStabilizer M a hx1 : x ≠ a hx2 : { val := x, property := hx1✝ } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) h' : x = a ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
rw [SubMulAction.mem_ofFixingSubgroup_iff] at hx2
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ False
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∉ s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∈ ofFixingSubgroup (↥(stabilizer M a)) s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
apply hx2
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∉ s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ False
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∉ s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ { val := x, property := hx1 } ∈ s
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∉ s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
obtain ⟨x1, hx1', rfl⟩ := h'
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∉ s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ { val := x, property := hx1 } ∈ s
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x1 : ↥(ofStabilizer M a) hx1' : x1 ∈ s hx1 : ↑x1 ∈ ofStabilizer M a hx2 : { val := ↑x1, property := hx1 } ∉ s h : ↑x1 ∈ insert a (Subtype.val '' s) ⊢ { val := ↑x1, property := hx1 } ∈ s
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x : α hx1 : x ∈ ofStabilizer M a hx2 : { val := x, property := hx1 } ∉ s h : x ∈ insert a (Subtype.val '' s) h' : x ∈ Subtype.val '' s ⊢ { val := x, property := hx1 } ∈ s TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
simp only [SetLike.eta]
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x1 : ↥(ofStabilizer M a) hx1' : x1 ∈ s hx1 : ↑x1 ∈ ofStabilizer M a hx2 : { val := ↑x1, property := hx1 } ∉ s h : ↑x1 ∈ insert a (Subtype.val '' s) ⊢ { val := ↑x1, property := hx1 } ∈ s
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x1 : ↥(ofStabilizer M a) hx1' : x1 ∈ s hx1 : ↑x1 ∈ ofStabilizer M a hx2 : { val := ↑x1, property := hx1 } ∉ s h : ↑x1 ∈ insert a (Subtype.val '' s) ⊢ x1 ∈ s
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x1 : ↥(ofStabilizer M a) hx1' : x1 ∈ s hx1 : ↑x1 ∈ ofStabilizer M a hx2 : { val := ↑x1, property := hx1 } ∉ s h : ↑x1 ∈ insert a (Subtype.val '' s) ⊢ { val := ↑x1, property := hx1 } ∈ s TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.equivariantMap_ofFixingSubgroup_to_ofStabilizer_bijective
[343, 1]
[364, 17]
exact hx1'
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x1 : ↥(ofStabilizer M a) hx1' : x1 ∈ s hx1 : ↑x1 ∈ ofStabilizer M a hx2 : { val := ↑x1, property := hx1 } ∉ s h : ↑x1 ∈ insert a (Subtype.val '' s) ⊢ x1 ∈ s
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) x1 : ↥(ofStabilizer M a) hx1' : x1 ∈ s hx1 : ↑x1 ∈ ofStabilizer M a hx2 : { val := ↑x1, property := hx1 } ∉ s h : ↑x1 ∈ insert a (Subtype.val '' s) ⊢ x1 ∈ s TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
constructor
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Bijective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s))
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Injective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)) case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Surjective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s))
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Bijective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rintro ⟨m, hm⟩ ⟨n, hn⟩ hmn
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Injective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s))
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm } = MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn } ⊢ { val := m, property := hm } = { val := n, property := hn }
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Injective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rw [← SetLike.coe_eq_coe, ← SetLike.coe_eq_coe] at hmn
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm } = MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn } ⊢ { val := m, property := hm } = { val := n, property := hn }
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm }) = ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn }) ⊢ { val := m, property := hm } = { val := n, property := hn }
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm } = MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn } ⊢ { val := m, property := hm } = { val := n, property := hn } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
simp only [Subtype.mk_eq_mk]
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm }) = ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn }) ⊢ { val := m, property := hm } = { val := n, property := hn }
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm }) = ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn }) ⊢ m = n
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm }) = ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn }) ⊢ { val := m, property := hm } = { val := n, property := hn } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
exact hmn
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm }) = ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn }) ⊢ m = n
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) n : M hn : n ∈ fixingSubgroup M (insert a (Subtype.val '' s)) hmn : ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := hm }) = ↑↑(MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := n, property := hn }) ⊢ m = n TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rintro ⟨⟨m, hm⟩, hm'⟩
case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Surjective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s))
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ ∃ a_1, MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := m, property := hm }, property := hm' }
Please generate a tactic in lean4 to solve the state. STATE: case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) ⊢ Function.Surjective (MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s)) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
suffices m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) by use ⟨m, this⟩ rfl
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ ∃ a_1, MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := m, property := hm }, property := hm' }
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ m ∈ fixingSubgroup M (insert a (Subtype.val '' s))
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ ∃ a_1, MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := m, property := hm }, property := hm' } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rw [mem_fixingSubgroup_iff]
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ m ∈ fixingSubgroup M (insert a (Subtype.val '' s))
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ ∀ y ∈ insert a (Subtype.val '' s), m • y = y
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
intro x hx
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ ∀ y ∈ insert a (Subtype.val '' s), m • y = y
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx : x ∈ insert a (Subtype.val '' s) ⊢ m • x = x
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s ⊢ ∀ y ∈ insert a (Subtype.val '' s), m • y = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
cases' Set.mem_insert_iff.mp hx with hx hx
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx : x ∈ insert a (Subtype.val '' s) ⊢ m • x = x
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x = a ⊢ m • x = x case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x ∈ Subtype.val '' s ⊢ m • x = x
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx : x ∈ insert a (Subtype.val '' s) ⊢ m • x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
use ⟨m, this⟩
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s this : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) ⊢ ∃ a_1, MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := m, property := hm }, property := hm' }
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s this : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) ⊢ MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := this } = { val := { val := m, property := hm }, property := hm' }
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s this : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) ⊢ ∃ a_1, MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) a_1 = { val := { val := m, property := hm }, property := hm' } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rfl
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s this : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) ⊢ MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := this } = { val := { val := m, property := hm }, property := hm' }
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s this : m ∈ fixingSubgroup M (insert a (Subtype.val '' s)) ⊢ MulActionHom.toMap (equivariantMap_ofFixingSubgroup_to_ofStabilizer M a s) { val := m, property := this } = { val := { val := m, property := hm }, property := hm' } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rw [hx]
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x = a ⊢ m • x = x
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x = a ⊢ m • a = a
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x = a ⊢ m • x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
exact mem_stabilizer_iff.mp hm
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x = a ⊢ m • a = a
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x = a ⊢ m • a = a TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
obtain ⟨y, hy, rfl⟩ := (Set.mem_image _ _ _).mp hx
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x ∈ Subtype.val '' s ⊢ m • x = x
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s ⊢ m • ↑y = ↑y
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s x : α hx✝ : x ∈ insert a (Subtype.val '' s) hx : x ∈ Subtype.val '' s ⊢ m • x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rw [mem_fixingSubgroup_iff] at hm'
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s ⊢ m • ↑y = ↑y
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s ⊢ m • ↑y = ↑y
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : { val := m, property := hm } ∈ fixingSubgroup (↥(stabilizer M a)) s y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s ⊢ m • ↑y = ↑y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
let hz := hm' y hy
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s ⊢ m • ↑y = ↑y
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s hz : { val := m, property := hm } • y = y := hm' y hy ⊢ m • ↑y = ↑y
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s ⊢ m • ↑y = ↑y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
rw [← SetLike.coe_eq_coe, SubMulAction.val_smul_of_tower] at hz
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s hz : { val := m, property := hm } • y = y := hm' y hy ⊢ m • ↑y = ↑y
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s hz : { val := m, property := hm } • ↑y = ↑y ⊢ m • ↑y = ↑y
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s hz : { val := m, property := hm } • y = y := hm' y hy ⊢ m • ↑y = ↑y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.scalarMap_ofFixingSubgroupOfStabilizer_bijective
[367, 1]
[390, 15]
exact hz
case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s hz : { val := m, property := hm } • ↑y = ↑y ⊢ m • ↑y = ↑y
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α s : Set ↥(ofStabilizer M a) m : M hm : m ∈ stabilizer M a hm' : ∀ y ∈ s, { val := m, property := hm } • y = y y : ↥(ofStabilizer M a) hy : y ∈ s hx✝ : ↑y ∈ insert a (Subtype.val '' s) hx : ↑y ∈ Subtype.val '' s hz : { val := m, property := hm } • ↑y = ↑y ⊢ m • ↑y = ↑y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
ext h
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α ⊢ fixingSubgroup M (g • s) = Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s)
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ fixingSubgroup M (g • s) ↔ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α ⊢ fixingSubgroup M (g • s) = Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
constructor
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ fixingSubgroup M (g • s) ↔ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s)
case h.mp M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ fixingSubgroup M (g • s) → h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) case h.mpr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) → h ∈ fixingSubgroup M (g • s)
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ fixingSubgroup M (g • s) ↔ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
intro hh
case h.mp M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ fixingSubgroup M (g • s) → h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s)
case h.mp M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s)
Please generate a tactic in lean4 to solve the state. STATE: case h.mp M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ fixingSubgroup M (g • s) → h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
use (MulAut.conj g⁻¹) h
case h.mp M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s)
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ (MulAut.conj g⁻¹) h ∈ ↑(fixingSubgroup M s) ∧ (MulEquiv.toMonoidHom (MulAut.conj g)) ((MulAut.conj g⁻¹) h) = h
Please generate a tactic in lean4 to solve the state. STATE: case h.mp M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
simp
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ (MulAut.conj g⁻¹) h ∈ ↑(fixingSubgroup M s) ∧ (MulEquiv.toMonoidHom (MulAut.conj g)) ((MulAut.conj g⁻¹) h) = h
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * h * g ∈ fixingSubgroup M s ∧ g⁻¹ * (g * h * g⁻¹) * g = h
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ (MulAut.conj g⁻¹) h ∈ ↑(fixingSubgroup M s) ∧ (MulEquiv.toMonoidHom (MulAut.conj g)) ((MulAut.conj g⁻¹) h) = h TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
constructor
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * h * g ∈ fixingSubgroup M s ∧ g⁻¹ * (g * h * g⁻¹) * g = h
case h.left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * h * g ∈ fixingSubgroup M s case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * h * g ∈ fixingSubgroup M s ∧ g⁻¹ * (g * h * g⁻¹) * g = h TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
rintro ⟨x, hx⟩
case h.left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * h * g ∈ fixingSubgroup M s case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ (g⁻¹ * h * g) • ↑{ val := x, property := hx } = ↑{ val := x, property := hx } case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
Please generate a tactic in lean4 to solve the state. STATE: case h.left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * h * g ∈ fixingSubgroup M s case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
simp only [Subtype.coe_mk, ← smul_smul]
case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ (g⁻¹ * h * g) • ↑{ val := x, property := hx } = ↑{ val := x, property := hx } case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ g⁻¹ • h • g • x = x case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
Please generate a tactic in lean4 to solve the state. STATE: case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ (g⁻¹ * h * g) • ↑{ val := x, property := hx } = ↑{ val := x, property := hx } case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
rw [inv_smul_eq_iff]
case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ g⁻¹ • h • g • x = x case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ h • g • x = g • x case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
Please generate a tactic in lean4 to solve the state. STATE: case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ g⁻¹ • h • g • x = x case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
simpa only [Subtype.coe_mk] using hh ⟨_, Set.smul_mem_smul_set hx⟩
case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ h • g • x = g • x case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
Please generate a tactic in lean4 to solve the state. STATE: case h.left.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) x : α hx : x ∈ s ⊢ h • g • x = g • x case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
group
case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M hh : h ∈ fixingSubgroup M (g • s) ⊢ g⁻¹ * (g * h * g⁻¹) * g = h TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
rintro ⟨k, hk, rfl⟩
case h.mpr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) → h ∈ fixingSubgroup M (g • s)
case h.mpr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) ⊢ (MulEquiv.toMonoidHom (MulAut.conj g)) k ∈ fixingSubgroup M (g • s)
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α h : M ⊢ h ∈ Subgroup.map (MulEquiv.toMonoidHom (MulAut.conj g)) (fixingSubgroup M s) → h ∈ fixingSubgroup M (g • s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
rintro ⟨x, hx⟩
case h.mpr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) ⊢ (MulEquiv.toMonoidHom (MulAut.conj g)) k ∈ fixingSubgroup M (g • s)
case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ (MulEquiv.toMonoidHom (MulAut.conj g)) k • ↑{ val := x, property := hx } = ↑{ val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.intro M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) ⊢ (MulEquiv.toMonoidHom (MulAut.conj g)) k ∈ fixingSubgroup M (g • s) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
simp only [MulEquiv.coe_toMonoidHom, MulAut.conj_apply, Subtype.coe_mk, ← smul_smul]
case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ (MulEquiv.toMonoidHom (MulAut.conj g)) k • ↑{ val := x, property := hx } = ↑{ val := x, property := hx }
case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ g • k • g⁻¹ • x = x
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ (MulEquiv.toMonoidHom (MulAut.conj g)) k • ↑{ val := x, property := hx } = ↑{ val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
rw [smul_eq_iff_eq_inv_smul]
case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ g • k • g⁻¹ • x = x
case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ k • g⁻¹ • x = g⁻¹ • x
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ g • k • g⁻¹ • x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
fixingSubgroup_smul_eq_fixingSubgroup_map_conj
[394, 1]
[412, 58]
exact hk ⟨_, Set.mem_smul_set_iff_inv_smul_mem.mp hx⟩
case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ k • g⁻¹ • x = g⁻¹ • x
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.intro.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α g : M s : Set α k : M hk : k ∈ ↑(fixingSubgroup M s) x : α hx : x ∈ g • s ⊢ k • g⁻¹ • x = g⁻¹ • x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
constructor
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Bijective ⇑(conjMap_ofFixingSubgroup M hst)
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Injective ⇑(conjMap_ofFixingSubgroup M hst) case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Surjective ⇑(conjMap_ofFixingSubgroup M hst)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Bijective ⇑(conjMap_ofFixingSubgroup M hst) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
rintro ⟨x, hx⟩ ⟨y, hy⟩ hxy
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Injective ⇑(conjMap_ofFixingSubgroup M hst)
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (conjMap_ofFixingSubgroup M hst) { val := x, property := hx } = (conjMap_ofFixingSubgroup M hst) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Injective ⇑(conjMap_ofFixingSubgroup M hst) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
simp only [Subtype.mk_eq_mk]
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (conjMap_ofFixingSubgroup M hst) { val := x, property := hx } = (conjMap_ofFixingSubgroup M hst) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (conjMap_ofFixingSubgroup M hst) { val := x, property := hx } = (conjMap_ofFixingSubgroup M hst) { val := y, property := hy } ⊢ x = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (conjMap_ofFixingSubgroup M hst) { val := x, property := hx } = (conjMap_ofFixingSubgroup M hst) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
rw [← SetLike.coe_eq_coe] at hxy
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (conjMap_ofFixingSubgroup M hst) { val := x, property := hx } = (conjMap_ofFixingSubgroup M hst) { val := y, property := hy } ⊢ x = y
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : ↑((conjMap_ofFixingSubgroup M hst) { val := x, property := hx }) = ↑((conjMap_ofFixingSubgroup M hst) { val := y, property := hy }) ⊢ x = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (conjMap_ofFixingSubgroup M hst) { val := x, property := hx } = (conjMap_ofFixingSubgroup M hst) { val := y, property := hy } ⊢ x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
change g • x = g • y at hxy
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : ↑((conjMap_ofFixingSubgroup M hst) { val := x, property := hx }) = ↑((conjMap_ofFixingSubgroup M hst) { val := y, property := hy }) ⊢ x = y
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : g • x = g • y ⊢ x = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : ↑((conjMap_ofFixingSubgroup M hst) { val := x, property := hx }) = ↑((conjMap_ofFixingSubgroup M hst) { val := y, property := hy }) ⊢ x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
apply (MulAction.injective g) hxy
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : g • x = g • y ⊢ x = y
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : g • x = g • y ⊢ x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
rintro ⟨x, hx⟩
case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Surjective ⇑(conjMap_ofFixingSubgroup M hst)
case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ ∃ a, (conjMap_ofFixingSubgroup M hst) a = { val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t ⊢ Function.Surjective ⇑(conjMap_ofFixingSubgroup M hst) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
have hst' : g⁻¹ • t = s := by apply symm; rw [← inv_smul_eq_iff]; rw [inv_inv] exact hst
case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ ∃ a, (conjMap_ofFixingSubgroup M hst) a = { val := x, property := hx }
case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ ∃ a, (conjMap_ofFixingSubgroup M hst) a = { val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ ∃ a, (conjMap_ofFixingSubgroup M hst) a = { val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
use (SubMulAction.conjMap_ofFixingSubgroup M hst') ⟨x, hx⟩
case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ ∃ a, (conjMap_ofFixingSubgroup M hst) a = { val := x, property := hx }
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ (conjMap_ofFixingSubgroup M hst) ((conjMap_ofFixingSubgroup M hst') { val := x, property := hx }) = { val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ ∃ a, (conjMap_ofFixingSubgroup M hst) a = { val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
rw [← SetLike.coe_eq_coe]
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ (conjMap_ofFixingSubgroup M hst) ((conjMap_ofFixingSubgroup M hst') { val := x, property := hx }) = { val := x, property := hx }
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ ↑((conjMap_ofFixingSubgroup M hst) ((conjMap_ofFixingSubgroup M hst') { val := x, property := hx })) = ↑{ val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ (conjMap_ofFixingSubgroup M hst) ((conjMap_ofFixingSubgroup M hst') { val := x, property := hx }) = { val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
change g • g⁻¹ • x = x
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ ↑((conjMap_ofFixingSubgroup M hst) ((conjMap_ofFixingSubgroup M hst') { val := x, property := hx })) = ↑{ val := x, property := hx }
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ g • g⁻¹ • x = x
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ ↑((conjMap_ofFixingSubgroup M hst) ((conjMap_ofFixingSubgroup M hst') { val := x, property := hx })) = ↑{ val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
rw [← mul_smul, mul_inv_self, one_smul]
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ g • g⁻¹ • x = x
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t hst' : g⁻¹ • t = s ⊢ g • g⁻¹ • x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
apply symm
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g⁻¹ • t = s
case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ s = g⁻¹ • t
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g⁻¹ • t = s TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
rw [← inv_smul_eq_iff]
case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ s = g⁻¹ • t
case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g⁻¹⁻¹ • s = t
Please generate a tactic in lean4 to solve the state. STATE: case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ s = g⁻¹ • t TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
rw [inv_inv]
case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g⁻¹⁻¹ • s = t
case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g • s = t
Please generate a tactic in lean4 to solve the state. STATE: case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g⁻¹⁻¹ • s = t TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.conjMap_ofFixingSubgroup_bijective
[436, 1]
[452, 44]
exact hst
case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g • s = t
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α g : M hst : g • s = t x : α hx : x ∈ ofFixingSubgroup M t ⊢ g • s = t TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
constructor
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Bijective ⇑(conjMap M hab)
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Injective ⇑(conjMap M hab) case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Surjective ⇑(conjMap M hab)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Bijective ⇑(conjMap M hab) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
rintro ⟨x, hx⟩ ⟨y, hy⟩ hxy
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Injective ⇑(conjMap M hab)
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : (conjMap M hab) { val := x, property := hx } = (conjMap M hab) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Injective ⇑(conjMap M hab) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
simp only [Subtype.mk_eq_mk]
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : (conjMap M hab) { val := x, property := hx } = (conjMap M hab) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : (conjMap M hab) { val := x, property := hx } = (conjMap M hab) { val := y, property := hy } ⊢ x = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : (conjMap M hab) { val := x, property := hx } = (conjMap M hab) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
rw [← SetLike.coe_eq_coe] at hxy
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : (conjMap M hab) { val := x, property := hx } = (conjMap M hab) { val := y, property := hy } ⊢ x = y
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : ↑((conjMap M hab) { val := x, property := hx }) = ↑((conjMap M hab) { val := y, property := hy }) ⊢ x = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : (conjMap M hab) { val := x, property := hx } = (conjMap M hab) { val := y, property := hy } ⊢ x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
change g • x = g • y at hxy
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : ↑((conjMap M hab) { val := x, property := hx }) = ↑((conjMap M hab) { val := y, property := hy }) ⊢ x = y
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : g • x = g • y ⊢ x = y
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : ↑((conjMap M hab) { val := x, property := hx }) = ↑((conjMap M hab) { val := y, property := hy }) ⊢ x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
apply (MulAction.injective g) hxy
case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : g • x = g • y ⊢ x = y
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M a y : α hy : y ∈ ofStabilizer M a hxy : g • x = g • y ⊢ x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
rintro ⟨x, hx⟩
case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Surjective ⇑(conjMap M hab)
case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ ∃ a_1, (conjMap M hab) a_1 = { val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b ⊢ Function.Surjective ⇑(conjMap M hab) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
use (SubMulAction.ofStabilizer.conjMap M (inv_smul_eq_iff.mpr hab.symm)) ⟨x, hx⟩
case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ ∃ a_1, (conjMap M hab) a_1 = { val := x, property := hx }
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ (conjMap M hab) ((conjMap M ⋯) { val := x, property := hx }) = { val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case right.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ ∃ a_1, (conjMap M hab) a_1 = { val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
rw [← SetLike.coe_eq_coe]
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ (conjMap M hab) ((conjMap M ⋯) { val := x, property := hx }) = { val := x, property := hx }
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ ↑((conjMap M hab) ((conjMap M ⋯) { val := x, property := hx })) = ↑{ val := x, property := hx }
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ (conjMap M hab) ((conjMap M ⋯) { val := x, property := hx }) = { val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
change g • g⁻¹ • x = x
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ ↑((conjMap M hab) ((conjMap M ⋯) { val := x, property := hx })) = ↑{ val := x, property := hx }
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ g • g⁻¹ • x = x
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ ↑((conjMap M hab) ((conjMap M ⋯) { val := x, property := hx })) = ↑{ val := x, property := hx } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofStabilizer.conjMap_bijective
[479, 1]
[492, 30]
simp only [smul_inv_smul]
case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ g • g⁻¹ • x = x
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a b : α g : M hab : g • a = b x : α hx : x ∈ ofStabilizer M b ⊢ g • g⁻¹ • x = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
constructor
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Bijective ⇑(map_ofFixingSubgroupUnion M s t)
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Injective ⇑(map_ofFixingSubgroupUnion M s t) case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Surjective ⇑(map_ofFixingSubgroupUnion M s t)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Bijective ⇑(map_ofFixingSubgroupUnion M s t) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
intro a b h
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Injective ⇑(map_ofFixingSubgroupUnion M s t)
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a b : ↥(ofFixingSubgroup M (s ∪ t)) h : (map_ofFixingSubgroupUnion M s t) a = (map_ofFixingSubgroupUnion M s t) b ⊢ a = b
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Injective ⇑(map_ofFixingSubgroupUnion M s t) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
simp only [← SetLike.coe_eq_coe] at h ⊢
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a b : ↥(ofFixingSubgroup M (s ∪ t)) h : (map_ofFixingSubgroupUnion M s t) a = (map_ofFixingSubgroupUnion M s t) b ⊢ a = b
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a b : ↥(ofFixingSubgroup M (s ∪ t)) h : ↑↑((map_ofFixingSubgroupUnion M s t) a) = ↑↑((map_ofFixingSubgroupUnion M s t) b) ⊢ ↑a = ↑b
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a b : ↥(ofFixingSubgroup M (s ∪ t)) h : (map_ofFixingSubgroupUnion M s t) a = (map_ofFixingSubgroupUnion M s t) b ⊢ a = b TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
exact h
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a b : ↥(ofFixingSubgroup M (s ∪ t)) h : ↑↑((map_ofFixingSubgroupUnion M s t) a) = ↑↑((map_ofFixingSubgroupUnion M s t) b) ⊢ ↑a = ↑b
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a b : ↥(ofFixingSubgroup M (s ∪ t)) h : ↑↑((map_ofFixingSubgroupUnion M s t) a) = ↑↑((map_ofFixingSubgroupUnion M s t) b) ⊢ ↑a = ↑b TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
rintro ⟨⟨a, ha⟩, ha'⟩
case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Surjective ⇑(map_ofFixingSubgroupUnion M s t)
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) ⊢ ∃ a_1, (map_ofFixingSubgroupUnion M s t) a_1 = { val := { val := a, property := ha }, property := ha' }
Please generate a tactic in lean4 to solve the state. STATE: case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α ⊢ Function.Surjective ⇑(map_ofFixingSubgroupUnion M s t) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
suffices a ∈ ofFixingSubgroup M (s ∪ t) by exact ⟨⟨a, this⟩, rfl⟩
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) ⊢ ∃ a_1, (map_ofFixingSubgroupUnion M s t) a_1 = { val := { val := a, property := ha }, property := ha' }
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) ⊢ a ∈ ofFixingSubgroup M (s ∪ t)
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) ⊢ ∃ a_1, (map_ofFixingSubgroupUnion M s t) a_1 = { val := { val := a, property := ha }, property := ha' } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
intro hy
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) ⊢ a ∈ ofFixingSubgroup M (s ∪ t)
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) ⊢ a ∈ ofFixingSubgroup M (s ∪ t) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
cases' (Set.mem_union a s t).mp hy with h h
case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t ⊢ False
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ s ⊢ False case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
exact ⟨⟨a, this⟩, rfl⟩
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) this : a ∈ ofFixingSubgroup M (s ∪ t) ⊢ ∃ a_1, (map_ofFixingSubgroupUnion M s t) a_1 = { val := { val := a, property := ha }, property := ha' }
no goals
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) this : a ∈ ofFixingSubgroup M (s ∪ t) ⊢ ∃ a_1, (map_ofFixingSubgroupUnion M s t) a_1 = { val := { val := a, property := ha }, property := ha' } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
exact ha h
case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ s ⊢ False
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inl M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ s ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
apply ha'
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ False
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ { val := a, property := ha } ∈ Subtype.val ⁻¹' t
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
simp only [Set.mem_preimage]
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ { val := a, property := ha } ∈ Subtype.val ⁻¹' t
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ a ∈ t
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ { val := a, property := ha } ∈ Subtype.val ⁻¹' t TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupUnion.map_bijective
[561, 1]
[576, 14]
exact h
case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ a ∈ t
no goals
Please generate a tactic in lean4 to solve the state. STATE: case right.mk.mk.inr M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α a : α ha : a ∈ ofFixingSubgroup M s ha' : { val := a, property := ha } ∈ ofFixingSubgroup (↥(fixingSubgroup M s)) (Subtype.val ⁻¹' t) hy : a ∈ s ∪ t h : a ∈ t ⊢ a ∈ t TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofFixingSubgroup.mapOfInclusion_injective
[592, 1]
[597, 12]
rintro ⟨x, hx⟩ ⟨y, hy⟩ hxy
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s ⊢ Function.Injective ⇑(mapOfInclusion M hst)
case mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (mapOfInclusion M hst) { val := x, property := hx } = (mapOfInclusion M hst) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s ⊢ Function.Injective ⇑(mapOfInclusion M hst) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofFixingSubgroup.mapOfInclusion_injective
[592, 1]
[597, 12]
rw [← SetLike.coe_eq_coe] at hxy ⊢
case mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (mapOfInclusion M hst) { val := x, property := hx } = (mapOfInclusion M hst) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy }
case mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : ↑((mapOfInclusion M hst) { val := x, property := hx }) = ↑((mapOfInclusion M hst) { val := y, property := hy }) ⊢ ↑{ val := x, property := hx } = ↑{ val := y, property := hy }
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : (mapOfInclusion M hst) { val := x, property := hx } = (mapOfInclusion M hst) { val := y, property := hy } ⊢ { val := x, property := hx } = { val := y, property := hy } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.ofFixingSubgroup.mapOfInclusion_injective
[592, 1]
[597, 12]
exact hxy
case mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : ↑((mapOfInclusion M hst) { val := x, property := hx }) = ↑((mapOfInclusion M hst) { val := y, property := hy }) ⊢ ↑{ val := x, property := hx } = ↑{ val := y, property := hy }
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α s t : Set α hst : t ⊆ s x : α hx : x ∈ ofFixingSubgroup M s y : α hy : y ∈ ofFixingSubgroup M s hxy : ↑((mapOfInclusion M hst) { val := x, property := hx }) = ↑((mapOfInclusion M hst) { val := y, property := hy }) ⊢ ↑{ val := x, property := hx } = ↑{ val := y, property := hy } TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupOfSingleton.map_bijective
[610, 1]
[618, 8]
constructor
M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α ⊢ Function.Bijective ⇑(map M a)
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α ⊢ Function.Injective ⇑(map M a) case right M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α ⊢ Function.Surjective ⇑(map M a)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α ⊢ Function.Bijective ⇑(map M a) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupOfSingleton.map_bijective
[610, 1]
[618, 8]
intro _ _ hxy
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α ⊢ Function.Injective ⇑(map M a)
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α a₁✝ a₂✝ : ↥(ofFixingSubgroup M {a}) hxy : (map M a) a₁✝ = (map M a) a₂✝ ⊢ a₁✝ = a₂✝
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α ⊢ Function.Injective ⇑(map M a) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/SubMulActions.lean
SubMulAction.OfFixingSubgroupOfSingleton.map_bijective
[610, 1]
[618, 8]
exact hxy
case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α a₁✝ a₂✝ : ↥(ofFixingSubgroup M {a}) hxy : (map M a) a₁✝ = (map M a) a₂✝ ⊢ a₁✝ = a₂✝
no goals
Please generate a tactic in lean4 to solve the state. STATE: case left M : Type u_2 inst✝¹ : Group M α : Type u_1 inst✝ : MulAction M α a : α a₁✝ a₂✝ : ↥(ofFixingSubgroup M {a}) hxy : (map M a) a₁✝ = (map M a) a₂✝ ⊢ a₁✝ = a₂✝ TACTIC: