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https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rintro ⟨⟨k, a⟩, c⟩ h
α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ ⊢ ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1)), ...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) ⊢ (fun m x...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ ⊢ ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
simp only [Finset.mem_sigma, Finset.mem_range, Nat.lt_succ_iff] at h
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) ⊢ (fun m x...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => r...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
simp_rw [Finset.mem_sigma, Finset.mem_range, Nat.lt_succ_iff]
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ ...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
constructor
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ ...
case mk.mk.left α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
constructor
case mk.mk.left α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : ...
case mk.mk.left.left α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1)...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.left α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
apply le_trans (add_le_add h.1.2 h.2) _
case mk.mk.left.left α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1)...
α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ n ∧ a ≤ k) ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.left.left α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rw [add_comm]
α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ n ∧ a ≤ k) ...
α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ n ∧ a ≤ k) ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rw [Nat.sub_add_cancel h.1.1]
α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h : (k ≤ n ∧ a ≤ k) ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
exact le_self_add
case mk.mk.left.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.left.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigm...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rw [add_comm a c]
case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h :...
case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h :...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rw [← Nat.sub_sub n c a]
case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h :...
case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h :...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
apply Nat.sub_le_sub_right
case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h :...
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.right α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rw [Nat.le_sub_iff_add_le]
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rw [Nat.le_sub_iff_add_le h.1.1, add_comm] at h
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
exact h.2
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
exact le_trans h.2 (Nat.sub_le n k)
case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1) h...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.right.h α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ c k a : ℕ h✝ : ⟨⟨k, a⟩, c⟩ ∈ ((range (n + 1)).sigma f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rintro ⟨⟨k, a⟩, c⟩ h
α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigm...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
simp only [Finset.mem_sigma, Finset.mem_range, Nat.lt_succ_iff] at h
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rw [Sigma.mk.inj_iff]
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
simp only [Sigma.mk.inj_iff, heq_eq_eq, and_true, add_tsub_cancel_left]
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
refine add_tsub_cancel_of_le h.1.2
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
rintro ⟨⟨k, a⟩, c⟩ h
α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n - x.fst + 1...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigm...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
simp only [mem_sigma, mem_range, Nat.lt_succ_iff] at h
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
Finset.sum_4_rw
[139, 1]
[185, 63]
simp only [Nat.add_sub_self_left a c, Nat.sub_sub, add_comm (a + c), ← add_assoc, Nat.sub_add_cancel h.1.2]
case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n + 1)).sigma fun l => range (l + 1)).sigma fun x => range (n ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk α : Type u_1 inst✝ : AddCommMonoid α f : ℕ × ℕ × ℕ × ℕ → α n : ℕ φ : (_ : (_ : ℕ) × ℕ) × ℕ → (_ : (_ : ℕ) × ℕ) × ℕ := fun x => match x with | ⟨⟨k, a⟩, c⟩ => ⟨⟨a + c, a⟩, k - a⟩ h1 : ∀ (a : (_ : (_ : ℕ) × ℕ) × ℕ) (ha : a ∈ ((range (n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
simp only [Finset.mem_sym_iff] at hk
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = m
m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = m
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = m TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
simp_rw [← k.prop]
m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = m
m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = Multiset.card ↑k
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = m TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
rw [← Multiset.toFinset_sum_count_eq]
m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = Multiset.card ↑k
m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = ∑ a ∈ (↑k).toFinset, Multiset.count a ↑k
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = Multiset.card ↑k TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
apply symm
m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = ∑ a ∈ (↑k).toFinset, Multiset.count a ↑k
case a m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ a ∈ (↑k).toFinset, Multiset.count a ↑k = ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k = ∑ a ∈ (↑k).toFinset, Multiset.count a ↑k TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
apply Finset.sum_subset_zero_on_sdiff
case a m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ a ∈ (↑k).toFinset, Multiset.count a ↑k = ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k
case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ (↑k).toFinset ⊆ Finset.range (n + 1) case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∀ x ∈ Finset.range (n + 1) \ (↑k).toFinset, Multiset.count x ↑k = 0 case a.hfg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ...
Please generate a tactic in lean4 to solve the state. STATE: case a m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∑ a ∈ (↑k).toFinset, Multiset.count a ↑k = ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
intro i hi
case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ (↑k).toFinset ⊆ Finset.range (n + 1)
case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) i : ℕ hi : i ∈ (↑k).toFinset ⊢ i ∈ Finset.range (n + 1)
Please generate a tactic in lean4 to solve the state. STATE: case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ (↑k).toFinset ⊆ Finset.range (n + 1) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
simp only [Sym.val_eq_coe, Multiset.mem_toFinset, Sym.mem_coe] at hi
case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) i : ℕ hi : i ∈ (↑k).toFinset ⊢ i ∈ Finset.range (n + 1)
case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) i : ℕ hi : i ∈ k ⊢ i ∈ Finset.range (n + 1)
Please generate a tactic in lean4 to solve the state. STATE: case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) i : ℕ hi : i ∈ (↑k).toFinset ⊢ i ∈ Finset.range (n + 1) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
exact hk i hi
case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) i : ℕ hi : i ∈ k ⊢ i ∈ Finset.range (n + 1)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.h m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) i : ℕ hi : i ∈ k ⊢ i ∈ Finset.range (n + 1) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
intro x hx
case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∀ x ∈ Finset.range (n + 1) \ (↑k).toFinset, Multiset.count x ↑k = 0
case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x ∈ Finset.range (n + 1) \ (↑k).toFinset ⊢ Multiset.count x ↑k = 0
Please generate a tactic in lean4 to solve the state. STATE: case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∀ x ∈ Finset.range (n + 1) \ (↑k).toFinset, Multiset.count x ↑k = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
simp only [Sym.val_eq_coe, Finset.mem_sdiff, Finset.mem_range, Multiset.mem_toFinset, Sym.mem_coe] at hx
case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x ∈ Finset.range (n + 1) \ (↑k).toFinset ⊢ Multiset.count x ↑k = 0
case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x < n + 1 ∧ x ∉ k ⊢ Multiset.count x ↑k = 0
Please generate a tactic in lean4 to solve the state. STATE: case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x ∈ Finset.range (n + 1) \ (↑k).toFinset ⊢ Multiset.count x ↑k = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
simp only [Multiset.count_eq_zero, Sym.mem_coe]
case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x < n + 1 ∧ x ∉ k ⊢ Multiset.count x ↑k = 0
case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x < n + 1 ∧ x ∉ k ⊢ x ∉ k
Please generate a tactic in lean4 to solve the state. STATE: case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x < n + 1 ∧ x ∉ k ⊢ Multiset.count x ↑k = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
exact hx.2
case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x < n + 1 ∧ x ∉ k ⊢ x ∉ k
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.hg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ hx : x < n + 1 ∧ x ∉ k ⊢ x ∉ k TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
intro x _
case a.hfg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∀ x ∈ (↑k).toFinset, Multiset.count x ↑k = Multiset.count x ↑k
case a.hfg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ a✝ : x ∈ (↑k).toFinset ⊢ Multiset.count x ↑k = Multiset.count x ↑k
Please generate a tactic in lean4 to solve the state. STATE: case a.hfg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) ⊢ ∀ x ∈ (↑k).toFinset, Multiset.count x ↑k = Multiset.count x ↑k TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_prop
[190, 1]
[205, 19]
rfl
case a.hfg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ a✝ : x ∈ (↑k).toFinset ⊢ Multiset.count x ↑k = Multiset.count x ↑k
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.hfg m n : ℕ k : Sym ℕ m hk : ∀ a ∈ k, a ∈ Finset.range (n + 1) x : ℕ a✝ : x ∈ (↑k).toFinset ⊢ Multiset.count x ↑k = Multiset.count x ↑k TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_weighted_sum_le
[208, 1]
[216, 52]
suffices h : ∀ i ∈ Finset.range (n + 1), Multiset.count i k * i ≤ Multiset.count i k * n by apply le_trans (Finset.sum_le_sum h) rw [← Finset.sum_mul, range_sym_prop hk]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ m * n
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ m * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_weighted_sum_le
[208, 1]
[216, 52]
intro i hi
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m i : ℕ hi : i ∈ Finset.range (n + 1) ⊢ Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_weighted_sum_le
[208, 1]
[216, 52]
apply Nat.mul_le_mul_left
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m i : ℕ hi : i ∈ Finset.range (n + 1) ⊢ Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n
case h m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m i : ℕ hi : i ∈ Finset.range (n + 1) ⊢ i ≤ n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m i : ℕ hi : i ∈ Finset.range (n + 1) ⊢ Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_weighted_sum_le
[208, 1]
[216, 52]
exact Nat.lt_succ_iff.mp (Finset.mem_range.mp hi)
case h m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m i : ℕ hi : i ∈ Finset.range (n + 1) ⊢ i ≤ n
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m i : ℕ hi : i ∈ Finset.range (n + 1) ⊢ i ≤ n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_weighted_sum_le
[208, 1]
[216, 52]
apply le_trans (Finset.sum_le_sum h)
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m h : ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ m * n
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m h : ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * n ≤ m * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m h : ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ m * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
range_sym_weighted_sum_le
[208, 1]
[216, 52]
rw [← Finset.sum_mul, range_sym_prop hk]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m h : ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * n ≤ m * n
no goals
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m h : ∀ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i ≤ Multiset.count i ↑k * n ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * n ≤ m * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
suffices h : (((Finset.range (n + 1)).sum fun i => Multiset.count i k * (n - i)) + (Finset.range (n + 1)).sum fun i => Multiset.count i k * i) = m * n by rw [← h, Nat.add_sub_cancel]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) = m * n - ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) + ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i = m * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) = m * n - ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
rw [← Finset.sum_add_distrib]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) + ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i = m * n
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ x ∈ Finset.range (n + 1), (Multiset.count x ↑k * (n - x) + Multiset.count x ↑k * x) = m * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) + ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i = m * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
simp_rw [← mul_add]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ x ∈ Finset.range (n + 1), (Multiset.count x ↑k * (n - x) + Multiset.count x ↑k * x) = m * n
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = m * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ x ∈ Finset.range (n + 1), (Multiset.count x ↑k * (n - x) + Multiset.count x ↑k * x) = m * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
have : ∀ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n := by intro x hx rw [Nat.sub_add_cancel (Nat.lt_succ_iff.mp (Finset.mem_range.mp hx))]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = m * n
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m this : ∀ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n ⊢ ∑ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = m * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∑ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = m * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
rw [Finset.sum_congr rfl this, ← Finset.sum_mul, range_sym_prop hk]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m this : ∀ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n ⊢ ∑ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = m * n
no goals
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m this : ∀ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n ⊢ ∑ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = m * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
rw [← h, Nat.add_sub_cancel]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m h : ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) + ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i = m * n ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) = m * n - ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i
no goals
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m h : ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) + ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * i = m * n ⊢ ∑ i ∈ Finset.range (n + 1), Multiset.count i ↑k * (n - i) = m * n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
intro x hx
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∀ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m x : ℕ hx : x ∈ Finset.range (n + 1) ⊢ Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m ⊢ ∀ x ∈ Finset.range (n + 1), Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/BasicLemmas.lean
sum_range_sym_mul_compl
[219, 1]
[232, 70]
rw [Nat.sub_add_cancel (Nat.lt_succ_iff.mp (Finset.mem_range.mp hx))]
m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m x : ℕ hx : x ∈ Finset.range (n + 1) ⊢ Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n
no goals
Please generate a tactic in lean4 to solve the state. STATE: m n : ℕ k : Sym ℕ m hk : k ∈ (Finset.range (n + 1)).sym m x : ℕ hx : x ∈ Finset.range (n + 1) ⊢ Multiset.count x ↑k * (n - x + x) = Multiset.count x ↑k * n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.algHom_apply_apply
[111, 1]
[113, 16]
simp [algHom]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝⁶ : DecidableEq α inst✝⁵ : Semiring N inst✝⁴ : Semiring P inst✝³ : Monoid α inst✝² : CommSemiring R inst✝¹ : Algebra R N inst✝ : Algebra R P e : N →ₐ[R] P x : MonoidAlgebra N α a : α ⊢ ((algHom e) x) a = e (x a)
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝⁶ : DecidableEq α inst✝⁵ : Semiring N inst✝⁴ : Semiring P inst✝³ : Monoid α inst✝² : CommSemiring R inst✝¹ : Algebra R N inst✝ : Algebra R P e : N →ₐ[R] P x : MonoidAlgebra N α a : α ⊢ ((al...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.algHom_apply_single
[115, 1]
[117, 16]
simp [algHom]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝⁶ : DecidableEq α inst✝⁵ : Semiring N inst✝⁴ : Semiring P inst✝³ : Monoid α inst✝² : CommSemiring R inst✝¹ : Algebra R N inst✝ : Algebra R P e : N →ₐ[R] P a : α n : N ⊢ (algHom e) (single a n) = single a (e n)
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝⁶ : DecidableEq α inst✝⁵ : Semiring N inst✝⁴ : Semiring P inst✝³ : Monoid α inst✝² : CommSemiring R inst✝¹ : Algebra R N inst✝ : Algebra R P e : N →ₐ[R] P a : α n : N ⊢ (algHom e) (single a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_tmul_apply
[162, 1]
[170, 68]
simp only [rTensorAlgHom]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_tmul_apply
[162, 1]
[170, 68]
simp only [Algebra.TensorProduct.lift_tmul]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_tmul_apply
[162, 1]
[170, 68]
rw [AlgHom.comp_apply, singleOneAlgHom_apply, mul_single_one_apply]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_tmul_apply
[162, 1]
[170, 68]
simp only [Algebra.TensorProduct.includeRight_apply]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_tmul_apply
[162, 1]
[170, 68]
simp only [algHom_apply_apply, Algebra.TensorProduct.includeLeft_apply]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_tmul_apply
[162, 1]
[170, 68]
simp only [Algebra.TensorProduct.tmul_mul_tmul, mul_one, one_mul]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap
[172, 1]
[182, 6]
ext x n
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
case a.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : A...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap
[172, 1]
[182, 6]
dsimp only [AlgebraTensorModule.curry_apply, TensorProduct.curry_apply, LinearMap.coe_restrictScalars, AlgHom.toLinearMap_apply]
case a.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : A...
case a.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : A...
Please generate a tactic in lean4 to solve the state. STATE: case a.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap
[172, 1]
[182, 6]
apply Finsupp.ext
case a.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : A...
case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ :...
Please generate a tactic in lean4 to solve the state. STATE: case a.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap
[172, 1]
[182, 6]
intro a
case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ :...
case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ :...
Please generate a tactic in lean4 to solve the state. STATE: case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap
[172, 1]
[182, 6]
rw [rTensorAlgHom_apply_tmul_apply, ← finsuppLeft_apply_tmul_apply]
case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ :...
case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ :...
Please generate a tactic in lean4 to solve the state. STATE: case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap
[172, 1]
[182, 6]
rfl
case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ :...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.h.h.h α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap'
[184, 1]
[189, 6]
rw [rTensorAlgHom_toLinearMap]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_toLinearMap'
[184, 1]
[189, 6]
rfl
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_eq
[191, 1]
[194, 6]
rw [← AlgHom.toLinearMap_apply, rTensorAlgHom_toLinearMap]
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/TensorProduct/MonoidAlgebra.lean
MonoidAlgebra.rTensorAlgHom_apply_eq
[191, 1]
[194, 6]
rfl
α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² : IsScalarTower R S M inst✝¹ : Semiring N inst✝ : Algebra R N ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 R : Type u_2 M : Type u_3 N : Type u_4 P : Type u_5 inst✝¹⁰ : Monoid α inst✝⁹ : DecidableEq α inst✝⁸ : CommSemiring R S : Type u_6 inst✝⁷ : CommSemiring S inst✝⁶ : Algebra R S inst✝⁵ : Semiring M inst✝⁴ : Algebra R M inst✝³ : Algebra S M inst✝² :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
obtain ⟨a, ha⟩ := h
α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α h : Summable f ⊢ (Function.support f).Finite
case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : HasSum f a ⊢ (Function.support f).Finite
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α h : Summable f ⊢ (Function.support f).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
simp only [HasSum] at ha
case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : HasSum f a ⊢ (Function.support f).Finite
case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : Filter.Tendsto (fun s => ∑ b ∈ s, f b) Filter.atTop (nhds a) ⊢ (Function.support f).Finite
Please generate a tactic in lean4 to solve the state. STATE: case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : HasSum f a ⊢ (Function.support f).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
classical simp_rw [tendsto_atTop_nhds] at ha obtain ⟨s, hs⟩ := ha {a} rfl (isOpen_discrete _) apply Set.Finite.subset s.finite_toSet intro b rw [Function.mem_support, not_imp_comm] intro hb let hs' := hs (insert b s) (s.subset_insert b) specialize hs s (subset_of_eq rfl) simp only [Set.mem_singleton_iff] at hs hs' simp...
case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : Filter.Tendsto (fun s => ∑ b ∈ s, f b) Filter.atTop (nhds a) ⊢ (Function.support f).Finite
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : Filter.Tendsto (fun s => ∑ b ∈ s, f b) Filter.atTop (nhds a) ⊢ (Function.support f).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
simp_rw [tendsto_atTop_nhds] at ha
case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : Filter.Tendsto (fun s => ∑ b ∈ s, f b) Filter.atTop (nhds a) ⊢ (Function.support f).Finite
case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U ⊢ (Function.support f).Finite
Please generate a tactic in lean4 to solve the state. STATE: case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : Filter.Tendsto (fun s => ∑ b ∈ s, f b) Filter.atTop (nhds a) ⊢ (Function.support f).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
obtain ⟨s, hs⟩ := ha {a} rfl (isOpen_discrete _)
case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U ⊢ (Function.support f).Finite
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} ⊢ (Function.support f).Finite
Please generate a tactic in lean4 to solve the state. STATE: case intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U ⊢ (Function.support f).Finite TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
apply Set.Finite.subset s.finite_toSet
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} ⊢ (Function.support f).Finite
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} ⊢ Function.support f ⊆ ↑s
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
intro b
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} ⊢ Function.support f ⊆ ↑s
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β ⊢ b ∈ Function.support f →...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
rw [Function.mem_support, not_imp_comm]
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β ⊢ b ∈ Function.support f →...
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β ⊢ b ∉ ↑s → f b = 0
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
intro hb
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β ⊢ b ∉ ↑s → f b = 0
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s ⊢ f b = 0
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
let hs' := hs (insert b s) (s.subset_insert b)
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s ⊢ f b = 0
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s hs' : ∑ b ∈ in...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
specialize hs s (subset_of_eq rfl)
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s hs' : ∑ b ∈ in...
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs✝ : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s hs' : ∑ b ∈ i...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs : ∀ (n : Finset β)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
simp only [Set.mem_singleton_iff] at hs hs'
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs✝ : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s hs' : ∑ b ∈ i...
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs✝ : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s hs : ∑ b ∈ s,...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs✝ : ∀ (n : Finset β...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
Set.Finite.support_of_summable
[26, 1]
[41, 63]
simpa [Finset.sum_insert hb, hs, add_left_eq_self] using hs'
case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs✝ : ∀ (n : Finset β), s ≤ n → ∑ b ∈ n, f b ∈ {a} b : β hb : b ∉ ↑s hs : ∑ b ∈ s,...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝² : AddCommGroup α inst✝¹ : TopologicalSpace α inst✝ : DiscreteTopology α β : Type u_2 f : β → α a : α ha : ∀ (U : Set α), a ∈ U → IsOpen U → ∃ N, ∀ (n : Finset β), N ≤ n → ∑ b ∈ n, f b ∈ U s : Finset β hs✝ : ∀ (n : Finset β...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
rw [add_pow]
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ (a + b) ^ (m + n).pred = 0
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ ∑ m_1 ∈ Finset.range ((m + n).pred + 1), a ^ m_1 * b ^ ((m + n).pred - m_1) * ↑((m + n).pred.choose m_1) = 0
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ (a + b) ^ (m + n).pred = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
apply Finset.sum_eq_zero
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ ∑ m_1 ∈ Finset.range ((m + n).pred + 1), a ^ m_1 * b ^ ((m + n).pred - m_1) * ↑((m + n).pred.choose m_1) = 0
case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ ∀ x ∈ Finset.range ((m + n).pred + 1), a ^ x * b ^ ((m + n).pred - x) * ↑((m + n).pred.choose x) = 0
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ ∑ m_1 ∈ Finset.range ((m + n).pred + 1), a ^ m_1 * b ^ ((m + n).pred - m_1) * ↑((m + n).pred.choose m_1) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
intro k hk
case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ ∀ x ∈ Finset.range ((m + n).pred + 1), a ^ x * b ^ ((m + n).pred - x) * ↑((m + n).pred.choose x) = 0
case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k ∈ Finset.range ((m + n).pred + 1) ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 ⊢ ∀ x ∈ Finset.range ((m + n).pred + 1), a ^ x * b ^ ((m + n).pred - x) * ↑((m + n).pred.choose x) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
simp only [Finset.mem_range] at hk
case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k ∈ Finset.range ((m + n).pred + 1) ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k ∈ Finset.range ((m + n).pred + 1) ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
by_cases h : k < m
case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0 case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1...
Please generate a tactic in lean4 to solve the state. STATE: case h α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
have : n ≤ (m + n).pred - k := by rw [Nat.le_sub_iff_add_le (Nat.le_of_lt_succ hk), add_comm] rw [Nat.le_pred_iff_lt (lt_of_le_of_lt (zero_le k) (Nat.lt_add_right n h))] exact Nat.add_lt_add_right h n
case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m this : n ≤ (m + n).pred - k ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
rw [← Nat.add_sub_of_le this, pow_add, hb]
case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m this : n ≤ (m + n).pred - k ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m this : n ≤ (m + n).pred - k ⊢ a ^ k * (0 * b ^ ((m + n).pred - k - n)) * ↑((m + n).pred.choose k) = 0
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m this : n ≤ (m + n).pred - k ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
simp only [zero_mul, mul_zero]
case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m this : n ≤ (m + n).pred - k ⊢ a ^ k * (0 * b ^ ((m + n).pred - k - n)) * ↑((m + n).pred.choose k) = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m this : n ≤ (m + n).pred - k ⊢ a ^ k * (0 * b ^ ((m + n).pred - k - n)) * ↑((m + n).pred.choose k) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
rw [Nat.le_sub_iff_add_le (Nat.le_of_lt_succ hk), add_comm]
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ n ≤ (m + n).pred - k
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ k + n ≤ (m + n).pred
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ n ≤ (m + n).pred - k TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
rw [Nat.le_pred_iff_lt (lt_of_le_of_lt (zero_le k) (Nat.lt_add_right n h))]
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ k + n ≤ (m + n).pred
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ k + n < m + n
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ k + n ≤ (m + n).pred TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
exact Nat.add_lt_add_right h n
α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ k + n < m + n
no goals
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : k < m ⊢ k + n < m + n TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
simp only [not_lt] at h
case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : ¬k < m ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : m ≤ k ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : ¬k < m ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
rw [← Nat.add_sub_of_le h, pow_add, ha]
case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : m ≤ k ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0
case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : m ≤ k ⊢ 0 * a ^ (k - m) * b ^ ((m + n).pred - (m + (k - m))) * ↑((m + n).pred.choose (m + (k - m))) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : m ≤ k ⊢ a ^ k * b ^ ((m + n).pred - k) * ↑((m + n).pred.choose k) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
add_pow_add_pred_eq_zero_of_pow_eq_zero
[43, 1]
[59, 25]
simp only [zero_mul]
case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : m ≤ k ⊢ 0 * a ^ (k - m) * b ^ ((m + n).pred - (m + (k - m))) * ↑((m + n).pred.choose (m + (k - m))) = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg α : Type u_1 inst✝ : CommSemiring α a b : α m n : ℕ ha : a ^ m = 0 hb : b ^ n = 0 k : ℕ hk : k < (m + n).pred + 1 h : m ≤ k ⊢ 0 * a ^ (k - m) * b ^ ((m + n).pred - (m + (k - m))) * ↑((m + n).pred.choose (m + (k - m))) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
IsNilpotent.add
[61, 1]
[66, 59]
obtain ⟨m, ha⟩ := ha
α : Type u_1 inst✝ : CommSemiring α a b : α ha : IsNilpotent a hb : IsNilpotent b ⊢ IsNilpotent (a + b)
case intro α : Type u_1 inst✝ : CommSemiring α a b : α hb : IsNilpotent b m : ℕ ha : a ^ m = 0 ⊢ IsNilpotent (a + b)
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 inst✝ : CommSemiring α a b : α ha : IsNilpotent a hb : IsNilpotent b ⊢ IsNilpotent (a + b) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
IsNilpotent.add
[61, 1]
[66, 59]
obtain ⟨n, hb⟩ := hb
case intro α : Type u_1 inst✝ : CommSemiring α a b : α hb : IsNilpotent b m : ℕ ha : a ^ m = 0 ⊢ IsNilpotent (a + b)
case intro.intro α : Type u_1 inst✝ : CommSemiring α a b : α m : ℕ ha : a ^ m = 0 n : ℕ hb : b ^ n = 0 ⊢ IsNilpotent (a + b)
Please generate a tactic in lean4 to solve the state. STATE: case intro α : Type u_1 inst✝ : CommSemiring α a b : α hb : IsNilpotent b m : ℕ ha : a ^ m = 0 ⊢ IsNilpotent (a + b) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/MvPowerSeries/Substitutions.lean
IsNilpotent.add
[61, 1]
[66, 59]
exact ⟨_, add_pow_add_pred_eq_zero_of_pow_eq_zero ha hb⟩
case intro.intro α : Type u_1 inst✝ : CommSemiring α a b : α m : ℕ ha : a ^ m = 0 n : ℕ hb : b ^ n = 0 ⊢ IsNilpotent (a + b)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro α : Type u_1 inst✝ : CommSemiring α a b : α m : ℕ ha : a ^ m = 0 n : ℕ hb : b ^ n = 0 ⊢ IsNilpotent (a + b) TACTIC: