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https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.kerφ_le_alternating_iff
[3560, 1]
[3620, 51]
simp only [Subgroup.coeSubtype, Subgroup.mem_map, Subgroup.mem_top, true_and]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g this : MonoidHom.ker (φ g) = ⊤ ⊢ ConjAct.toConjAct x ∈ Subgroup.map (Subgroup.subtype (MulAction.stabilizer (ConjAct (Equiv.Perm α)) g)) ⊤
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g this : MonoidHom.ker (φ g) = ⊤ ⊢ ∃ x_1, ↑x_1 = ConjAct.toConjAct x
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g this : MonoidHom.ker (φ g) = ⊤ ⊢ ConjAct.toConjAct x ∈ Subgroup.map (Subgroup.subtype (MulAction.stabilizer (ConjAct (Equiv.Perm α)) g)) ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.kerφ_le_alternating_iff
[3560, 1]
[3620, 51]
exact ⟨⟨x, hx⟩, rfl⟩
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g this : MonoidHom.ker (φ g) = ⊤ ⊢ ∃ x_1, ↑x_1 = ConjAct.toConjAct x
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g this : MonoidHom.ker (φ g) = ⊤ ⊢ ∃ x_1, ↑x_1 = ConjAct.toConjAct x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.kerφ_le_alternating_iff
[3560, 1]
[3620, 51]
rw [MonoidHom.mem_ker, ← Subgroup.mem_bot, ← this, MonoidHom.mem_range]
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g y : ↥(MulAction.stabilizer (ConjAct (Equiv.Perm α)) g) a✝ : y ∈ ⊤ this : MonoidHom.range (φ g) = ⊥ ⊢ y ∈ MonoidHom.ker (φ g)
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g y : ↥(MulAction.stabilizer (ConjAct (Equiv.Perm α)) g) a✝ : y ∈ ⊤ this : MonoidHom.range (φ g) = ⊥ ⊢ ∃ x, (φ g) x = (φ g) y
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g y : ↥(MulAction.stabilizer (ConjAct (Equiv.Perm α)) g) a✝ : y ∈ ⊤ this : MonoidHom.range (φ g) = ⊥ ⊢ y ∈ MonoidHom.ker (φ g) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/ConjClassCount.lean
OnCycleFactors.kerφ_le_alternating_iff
[3560, 1]
[3620, 51]
exact ⟨y, rfl⟩
α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g y : ↥(MulAction.stabilizer (ConjAct (Equiv.Perm α)) g) a✝ : y ∈ ⊤ this : MonoidHom.range (φ g) = ⊥ ⊢ ∃ x, (φ g) x = (φ g) y
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝¹ : DecidableEq α inst✝ : Fintype α g : Equiv.Perm α h_odd : ∀ i ∈ Equiv.Perm.cycleType g, Odd i h_fixed : Fintype.card α ≤ Multiset.sum (Equiv.Perm.cycleType g) + 1 h_count : ∀ (i : ℕ), Multiset.count i (Equiv.Perm.cycleType g) ≤ 1 x : ConjAct (Equiv.Perm α) hx : x ∈ MulAction.stabilizer (ConjAct (Equiv.Perm α)) g y : ↥(MulAction.stabilizer (ConjAct (Equiv.Perm α)) g) a✝ : y ∈ ⊤ this : MonoidHom.range (φ g) = ⊥ ⊢ ∃ x, (φ g) x = (φ g) y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.has_trivial_blocks
[121, 1]
[122, 92]
apply h.has_trivial_blocks'
G : Type u_1 X : Type u_2 inst✝ : SMul G X h : IsPreprimitive G X B : Set X hB : IsBlock G B ⊢ Set.Subsingleton B ∨ B = ⊤
G : Type u_1 X : Type u_2 inst✝ : SMul G X h : IsPreprimitive G X B : Set X hB : IsBlock G B ⊢ IsBlock G B
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_1 X : Type u_2 inst✝ : SMul G X h : IsPreprimitive G X B : Set X hB : IsBlock G B ⊢ Set.Subsingleton B ∨ B = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.has_trivial_blocks
[121, 1]
[122, 92]
exact hB
G : Type u_1 X : Type u_2 inst✝ : SMul G X h : IsPreprimitive G X B : Set X hB : IsBlock G B ⊢ IsBlock G B
no goals
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_1 X : Type u_2 inst✝ : SMul G X h : IsPreprimitive G X B : Set X hB : IsBlock G B ⊢ IsBlock G B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
have : IsPretransitive G X := by apply IsPretransitive.mk intro x y use Classical.arbitrary G rw [eq_iff_true_of_subsingleton] trivial
G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X ⊢ IsPreprimitive G X
G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X ⊢ IsPreprimitive G X
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X ⊢ IsPreprimitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
apply IsPreprimitive.mk
G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X ⊢ IsPreprimitive G X
case has_trivial_blocks' G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X ⊢ IsPreprimitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
intro B _
case has_trivial_blocks' G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B
case has_trivial_blocks' G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X B : Set X a✝ : IsBlock G B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
left
case has_trivial_blocks' G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X B : Set X a✝ : IsBlock G B ⊢ IsTrivialBlock B
case has_trivial_blocks'.h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X B : Set X a✝ : IsBlock G B ⊢ Set.Subsingleton B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X B : Set X a✝ : IsBlock G B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
exact Set.subsingleton_of_subsingleton
case has_trivial_blocks'.h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X B : Set X a✝ : IsBlock G B ⊢ Set.Subsingleton B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X this : IsPretransitive G X B : Set X a✝ : IsBlock G B ⊢ Set.Subsingleton B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
apply IsPretransitive.mk
G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X ⊢ IsPretransitive G X
case exists_smul_eq G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X ⊢ ∀ (x y : X), ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X ⊢ IsPretransitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
intro x y
case exists_smul_eq G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X ⊢ ∀ (x y : X), ∃ g, g • x = y
case exists_smul_eq G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ ∃ g, g • x = y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X ⊢ ∀ (x y : X), ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
use Classical.arbitrary G
case exists_smul_eq G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ ∃ g, g • x = y
case h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ Classical.arbitrary G • x = y
Please generate a tactic in lean4 to solve the state. STATE: case exists_smul_eq G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ ∃ g, g • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
rw [eq_iff_true_of_subsingleton]
case h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ Classical.arbitrary G • x = y
case h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ True
Please generate a tactic in lean4 to solve the state. STATE: case h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ Classical.arbitrary G • x = y TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.on_subsingleton
[125, 1]
[137, 41]
trivial
case h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ True
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h G : Type u_1 X : Type u_2 inst✝² : SMul G X inst✝¹ : Nonempty G inst✝ : Subsingleton X x y : X ⊢ True TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsTrivialBlock.of_card_le_2
[140, 1]
[149, 68]
cases' le_or_lt (Fintype.card B) 1 with h1 h1
G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X ⊢ IsTrivialBlock B
case inl G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ IsTrivialBlock B case inr G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsTrivialBlock.of_card_le_2
[140, 1]
[149, 68]
apply Or.intro_left
case inl G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ IsTrivialBlock B
case inl.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ Set.Subsingleton B
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsTrivialBlock.of_card_le_2
[140, 1]
[149, 68]
rw [← Set.subsingleton_coe, ← Fintype.card_le_one_iff_subsingleton]
case inl.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ Set.Subsingleton B
case inl.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ Fintype.card ↑B ≤ 1
Please generate a tactic in lean4 to solve the state. STATE: case inl.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ Set.Subsingleton B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsTrivialBlock.of_card_le_2
[140, 1]
[149, 68]
exact h1
case inl.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ Fintype.card ↑B ≤ 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inl.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : Fintype.card ↑B ≤ 1 ⊢ Fintype.card ↑B ≤ 1 TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsTrivialBlock.of_card_le_2
[140, 1]
[149, 68]
apply Or.intro_right
case inr G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ IsTrivialBlock B
case inr.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ B = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsTrivialBlock.of_card_le_2
[140, 1]
[149, 68]
rw [Set.top_eq_univ, ← set_fintype_card_eq_univ_iff]
case inr.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ B = ⊤
case inr.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ Fintype.card ↑B = Fintype.card X
Please generate a tactic in lean4 to solve the state. STATE: case inr.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ B = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsTrivialBlock.of_card_le_2
[140, 1]
[149, 68]
exact le_antisymm (set_fintype_card_le_univ B) (le_trans hX h1)
case inr.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ Fintype.card ↑B = Fintype.card X
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h G : Type ?u.3301 X : Type u_1 inst✝ : Fintype X hX : Fintype.card X ≤ 2 B : Set X h1 : 1 < Fintype.card ↑B ⊢ Fintype.card ↑B = Fintype.card X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
cases hB with | inl hB => left apply Set.Subsingleton.image hB | inr hB => apply Or.intro_right rw [hB, eq_top_iff] intro x _ rw [Set.mem_smul_set_iff_inv_smul_mem] exact Set.mem_univ _
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : IsTrivialBlock B ⊢ IsTrivialBlock (g • B)
no goals
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : IsTrivialBlock B ⊢ IsTrivialBlock (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
left
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : Set.Subsingleton B ⊢ IsTrivialBlock (g • B)
case inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : Set.Subsingleton B ⊢ Set.Subsingleton (g • B)
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : Set.Subsingleton B ⊢ IsTrivialBlock (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
apply Set.Subsingleton.image hB
case inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : Set.Subsingleton B ⊢ Set.Subsingleton (g • B)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : Set.Subsingleton B ⊢ Set.Subsingleton (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
apply Or.intro_right
case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ IsTrivialBlock (g • B)
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ g • B = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ IsTrivialBlock (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
rw [hB, eq_top_iff]
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ g • B = ⊤
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ ⊤ ≤ g • ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ g • B = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
intro x _
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ ⊤ ≤ g • ⊤
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ x : X a✝ : x ∈ ⊤ ⊢ x ∈ g • ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ ⊢ ⊤ ≤ g • ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
rw [Set.mem_smul_set_iff_inv_smul_mem]
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ x : X a✝ : x ∈ ⊤ ⊢ x ∈ g • ⊤
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ x : X a✝ : x ∈ ⊤ ⊢ g⁻¹ • x ∈ ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ x : X a✝ : x ∈ ⊤ ⊢ x ∈ g • ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block
[156, 1]
[167, 25]
exact Set.mem_univ _
case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ x : X a✝ : x ∈ ⊤ ⊢ g⁻¹ • x ∈ ⊤
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hB : B = ⊤ x : X a✝ : x ∈ ⊤ ⊢ g⁻¹ • x ∈ ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block_iff
[170, 1]
[178, 14]
constructor
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock B ↔ IsTrivialBlock (g • B)
case mp G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock B → IsTrivialBlock (g • B) case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock (g • B) → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock B ↔ IsTrivialBlock (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block_iff
[170, 1]
[178, 14]
exact isTrivialBlock_of_block g
case mp G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock B → IsTrivialBlock (g • B) case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock (g • B) → IsTrivialBlock B
case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock (g • B) → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case mp G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock B → IsTrivialBlock (g • B) case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock (g • B) → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block_iff
[170, 1]
[178, 14]
intro hgB
case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock (g • B) → IsTrivialBlock B
case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G ⊢ IsTrivialBlock (g • B) → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block_iff
[170, 1]
[178, 14]
rw [← inv_smul_smul g B]
case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock B
case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock (g⁻¹ • g • B)
Please generate a tactic in lean4 to solve the state. STATE: case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block_iff
[170, 1]
[178, 14]
apply isTrivialBlock_of_block
case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock (g⁻¹ • g • B)
case mpr.hB G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock (g • B)
Please generate a tactic in lean4 to solve the state. STATE: case mpr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock (g⁻¹ • g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_block_iff
[170, 1]
[178, 14]
exact hgB
case mpr.hB G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock (g • B)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mpr.hB G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X B : Set X g : G hgB : IsTrivialBlock (g • B) ⊢ IsTrivialBlock (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
apply IsPreprimitive.mk
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ IsPreprimitive G X
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ IsPreprimitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
intro B hB
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
cases Set.eq_empty_or_nonempty B with | inl h => apply Or.intro_left; rw [h]; exact Set.subsingleton_empty | inr h => obtain ⟨b, hb⟩ := h obtain ⟨g, hg⟩ := exists_smul_eq G b a rw [isTrivialBlock_of_block_iff g] refine' H (g • B) _ (IsBlock_of_block g hB) use b
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B ⊢ IsTrivialBlock B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
apply Or.intro_left
case has_trivial_blocks'.inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ IsTrivialBlock B
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
rw [h]
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton B
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton ∅
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
exact Set.subsingleton_empty
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton ∅
no goals
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton ∅ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
obtain ⟨b, hb⟩ := h
case has_trivial_blocks'.inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : Set.Nonempty B ⊢ IsTrivialBlock B
case has_trivial_blocks'.inr.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B h : Set.Nonempty B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
obtain ⟨g, hg⟩ := exists_smul_eq G b a
case has_trivial_blocks'.inr.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B ⊢ IsTrivialBlock B
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
rw [isTrivialBlock_of_block_iff g]
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock B
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock (g • B)
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
refine' H (g • B) _ (IsBlock_of_block g hB)
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock (g • B)
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ a ∈ g • B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem
[181, 1]
[193, 10]
use b
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ a ∈ g • B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X htGX : IsPretransitive G X a : X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ a ∈ g • B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
apply IsPreprimitive.mk
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X ⊢ IsPreprimitive G X
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X ⊢ IsPreprimitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
intro B hB
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X ⊢ ∀ {B : Set X}, IsBlock G B → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
cases Set.eq_empty_or_nonempty B with | inl h => left; rw [h]; exact Set.subsingleton_empty | inr h => obtain ⟨b, hb⟩ := h obtain ⟨g, hg⟩ := exists_smul_eq G b a rw [isTrivialBlock_of_block_iff g] refine' H (g • B) _ (IsBlock_of_block g hB) use b
case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B ⊢ IsTrivialBlock B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
apply IsPretransitive.mk_base a
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ IsPretransitive G X
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ ∀ (x : X), ∃ g, g • a = x
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ IsPretransitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
cases' H (orbit G a) (mem_orbit_self a) (IsBlock_of_orbit a) with H H
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ ∀ (x : X), ∃ g, g • a = x
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ ∀ (x : X), ∃ g, g • a = x case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ ⊢ ∀ (x : X), ∃ g, g • a = x
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B ⊢ ∀ (x : X), ∃ g, g • a = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
exfalso
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ ∀ (x : X), ∃ g, g • a = x
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ ∀ (x : X), ∃ g, g • a = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
apply ha
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ False
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ a ∈ fixedPoints G X
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
rw [Set.subsingleton_iff_singleton (mem_orbit_self a)] at H
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ a ∈ fixedPoints G X
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} ⊢ a ∈ fixedPoints G X
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : Set.Subsingleton (orbit G a) ⊢ a ∈ fixedPoints G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
simp only [mem_fixedPoints]
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} ⊢ a ∈ fixedPoints G X
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} ⊢ ∀ (m : G), m • a = a
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} ⊢ a ∈ fixedPoints G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
intro g
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} ⊢ ∀ (m : G), m • a = a
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a = a
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} ⊢ ∀ (m : G), m • a = a TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
rw [← Set.mem_singleton_iff]
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a = a
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a ∈ {a}
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a = a TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
rw [← H]
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a ∈ {a}
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a ∈ orbit G a
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a ∈ {a} TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
exact mem_orbit a g
case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a ∈ orbit G a
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = {a} g : G ⊢ g • a ∈ orbit G a TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
intro x
case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ ⊢ ∀ (x : X), ∃ g, g • a = x
case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ x : X ⊢ ∃ g, g • a = x
Please generate a tactic in lean4 to solve the state. STATE: case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ ⊢ ∀ (x : X), ∃ g, g • a = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
rw [← MulAction.mem_orbit_iff, H]
case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ x : X ⊢ ∃ g, g • a = x
case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ x : X ⊢ x ∈ ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ x : X ⊢ ∃ g, g • a = x TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
exact Set.mem_univ x
case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ x : X ⊢ x ∈ ⊤
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H✝ : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B H : orbit G a = ⊤ x : X ⊢ x ∈ ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
left
case has_trivial_blocks'.inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ IsTrivialBlock B
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inl G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
rw [h]
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton B
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton ∅
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
exact Set.subsingleton_empty
case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton ∅
no goals
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inl.h G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : B = ∅ ⊢ Set.Subsingleton ∅ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
obtain ⟨b, hb⟩ := h
case has_trivial_blocks'.inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : Set.Nonempty B ⊢ IsTrivialBlock B
case has_trivial_blocks'.inr.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B h : Set.Nonempty B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
obtain ⟨g, hg⟩ := exists_smul_eq G b a
case has_trivial_blocks'.inr.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B ⊢ IsTrivialBlock B
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
rw [isTrivialBlock_of_block_iff g]
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock B
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock (g • B)
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
refine' H (g • B) _ (IsBlock_of_block g hB)
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock (g • B)
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ a ∈ g • B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ IsTrivialBlock (g • B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk_mem'
[198, 1]
[220, 10]
use b
case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ a ∈ g • B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks'.inr.intro.intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X a : X ha : a ∉ fixedPoints G X H : ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B this : IsPretransitive G X B : Set X hB : IsBlock G B b : X hb : b ∈ B g : G hg : g • b = a ⊢ a ∈ g • B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
have : ∃ a : X, a ∉ fixedPoints G X := by by_contra h; push_neg at h ; apply Hnt; rw [eq_top_iff] intro a _; exact h a
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B ⊢ IsPreprimitive G X
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B this : ∃ a, a ∉ fixedPoints G X ⊢ IsPreprimitive G X
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B ⊢ IsPreprimitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
obtain ⟨a, ha⟩ := this
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B this : ∃ a, a ∉ fixedPoints G X ⊢ IsPreprimitive G X
case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X ⊢ IsPreprimitive G X
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B this : ∃ a, a ∉ fixedPoints G X ⊢ IsPreprimitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
apply IsPreprimitive.mk_mem' a ha
case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X ⊢ IsPreprimitive G X
case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X ⊢ ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X ⊢ IsPreprimitive G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
intro B _
case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X ⊢ ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B
case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X B : Set X x✝ : a ∈ B ⊢ IsBlock G B → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X ⊢ ∀ (B : Set X), a ∈ B → IsBlock G B → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
exact H B
case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X B : Set X x✝ : a ∈ B ⊢ IsBlock G B → IsTrivialBlock B
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B a : X ha : a ∉ fixedPoints G X B : Set X x✝ : a ∈ B ⊢ IsBlock G B → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
by_contra h
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B ⊢ ∃ a, a ∉ fixedPoints G X
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ¬∃ a, a ∉ fixedPoints G X ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B ⊢ ∃ a, a ∉ fixedPoints G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
push_neg at h
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ¬∃ a, a ∉ fixedPoints G X ⊢ False
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ¬∃ a, a ∉ fixedPoints G X ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
apply Hnt
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ False
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ fixedPoints G X = ⊤
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
rw [eq_top_iff]
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ fixedPoints G X = ⊤
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ ⊤ ≤ fixedPoints G X
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ fixedPoints G X = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
intro a _
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ ⊤ ≤ fixedPoints G X
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X a : X a✝ : a ∈ ⊤ ⊢ a ∈ fixedPoints G X
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X ⊢ ⊤ ≤ fixedPoints G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
IsPreprimitive.mk'
[225, 1]
[233, 23]
exact h a
G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X a : X a✝ : a ∈ ⊤ ⊢ a ∈ fixedPoints G X
no goals
Please generate a tactic in lean4 to solve the state. STATE: G : Type u_2 X : Type u_1 inst✝¹ : Group G inst✝ : MulAction G X Hnt : fixedPoints G X ≠ ⊤ H : ∀ (B : Set X), IsBlock G B → IsTrivialBlock B h : ∀ (a : X), a ∈ fixedPoints G X a : X a✝ : a ∈ ⊤ ⊢ a ∈ fixedPoints G X TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_surjective_map
[244, 1]
[251, 13]
cases' hB with hB hB
M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : IsTrivialBlock B ⊢ IsTrivialBlock (⇑f '' B)
case inl M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : Set.Subsingleton B ⊢ IsTrivialBlock (⇑f '' B) case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ IsTrivialBlock (⇑f '' B)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : IsTrivialBlock B ⊢ IsTrivialBlock (⇑f '' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_surjective_map
[244, 1]
[251, 13]
apply Or.intro_left
case inl M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : Set.Subsingleton B ⊢ IsTrivialBlock (⇑f '' B)
case inl.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : Set.Subsingleton B ⊢ Set.Subsingleton (⇑f '' B)
Please generate a tactic in lean4 to solve the state. STATE: case inl M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : Set.Subsingleton B ⊢ IsTrivialBlock (⇑f '' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_surjective_map
[244, 1]
[251, 13]
apply Set.Subsingleton.image hB
case inl.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : Set.Subsingleton B ⊢ Set.Subsingleton (⇑f '' B)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inl.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : Set.Subsingleton B ⊢ Set.Subsingleton (⇑f '' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_surjective_map
[244, 1]
[251, 13]
apply Or.intro_right
case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ IsTrivialBlock (⇑f '' B)
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ ⇑f '' B = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ IsTrivialBlock (⇑f '' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_surjective_map
[244, 1]
[251, 13]
rw [hB]
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ ⇑f '' B = ⊤
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ ⇑f '' ⊤ = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ ⇑f '' B = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_surjective_map
[244, 1]
[251, 13]
simp only [Set.top_eq_univ, Set.image_univ, Set.range_iff_surjective]
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ ⇑f '' ⊤ = ⊤
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ Function.Surjective ⇑f
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ ⇑f '' ⊤ = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_surjective_map
[244, 1]
[251, 13]
exact hf
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ Function.Surjective ⇑f
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f B : Set α hB : B = ⊤ ⊢ Function.Surjective ⇑f TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_injective_map
[254, 1]
[259, 81]
cases' hB with hB hB
M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : IsTrivialBlock B ⊢ IsTrivialBlock (⇑f ⁻¹' B)
case inl M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : Set.Subsingleton B ⊢ IsTrivialBlock (⇑f ⁻¹' B) case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B)
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : IsTrivialBlock B ⊢ IsTrivialBlock (⇑f ⁻¹' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_injective_map
[254, 1]
[259, 81]
apply Or.intro_left
case inl M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : Set.Subsingleton B ⊢ IsTrivialBlock (⇑f ⁻¹' B) case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B)
case inl.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : Set.Subsingleton B ⊢ Set.Subsingleton (⇑f ⁻¹' B) case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B)
Please generate a tactic in lean4 to solve the state. STATE: case inl M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : Set.Subsingleton B ⊢ IsTrivialBlock (⇑f ⁻¹' B) case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_injective_map
[254, 1]
[259, 81]
exact Set.Subsingleton.preimage hB hf
case inl.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : Set.Subsingleton B ⊢ Set.Subsingleton (⇑f ⁻¹' B) case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B)
case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B)
Please generate a tactic in lean4 to solve the state. STATE: case inl.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : Set.Subsingleton B ⊢ Set.Subsingleton (⇑f ⁻¹' B) case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_injective_map
[254, 1]
[259, 81]
apply Or.intro_right
case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B)
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ ⇑f ⁻¹' B = ⊤
Please generate a tactic in lean4 to solve the state. STATE: case inr M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ IsTrivialBlock (⇑f ⁻¹' B) TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_injective_map
[254, 1]
[259, 81]
simp only [hB, Set.top_eq_univ]
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ ⇑f ⁻¹' B = ⊤
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ ⇑f ⁻¹' Set.univ = Set.univ
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ ⇑f ⁻¹' B = ⊤ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isTrivialBlock_of_injective_map
[254, 1]
[259, 81]
apply Set.preimage_univ
case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ ⇑f ⁻¹' Set.univ = Set.univ
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr.h M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Injective ⇑f B : Set β hB : B = ⊤ ⊢ ⇑f ⁻¹' Set.univ = Set.univ TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isPreprimitive_of_surjective_map
[262, 1]
[272, 13]
have : IsPretransitive N β := isPretransitive.of_surjective_map hf h.toIsPretransitive
M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α ⊢ IsPreprimitive N β
M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β ⊢ IsPreprimitive N β
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α ⊢ IsPreprimitive N β TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isPreprimitive_of_surjective_map
[262, 1]
[272, 13]
apply IsPreprimitive.mk
M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β ⊢ IsPreprimitive N β
case has_trivial_blocks' M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β ⊢ ∀ {B : Set β}, IsBlock N B → IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β ⊢ IsPreprimitive N β TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isPreprimitive_of_surjective_map
[262, 1]
[272, 13]
intro B hB
case has_trivial_blocks' M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β ⊢ ∀ {B : Set β}, IsBlock N B → IsTrivialBlock B
case has_trivial_blocks' M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β B : Set β hB : IsBlock N B ⊢ IsTrivialBlock B
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β ⊢ ∀ {B : Set β}, IsBlock N B → IsTrivialBlock B TACTIC:
https://github.com/AntoineChambert-Loir/Jordan4.git
d49910c127be01229697737a55a2d756e908d3e1
Jordan/Primitive.lean
isPreprimitive_of_surjective_map
[262, 1]
[272, 13]
rw [← Set.image_preimage_eq B hf]
case has_trivial_blocks' M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β B : Set β hB : IsBlock N B ⊢ IsTrivialBlock B
case has_trivial_blocks' M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β B : Set β hB : IsBlock N B ⊢ IsTrivialBlock (⇑f '' (⇑f ⁻¹' B))
Please generate a tactic in lean4 to solve the state. STATE: case has_trivial_blocks' M : Type u_4 inst✝³ : Group M α : Type u_2 inst✝² : MulAction M α N : Type u_3 β : Type u_1 inst✝¹ : Group N inst✝ : MulAction N β φ : M → N f : α →ₑ[φ] β hf : Function.Surjective ⇑f h : IsPreprimitive M α this : IsPretransitive N β B : Set β hB : IsBlock N B ⊢ IsTrivialBlock B TACTIC: