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https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
simp only [Ring.inverse, dif_neg ha, map_zero]
case neg A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0)
case neg A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = 0
Please generate a tactic in lean4 to solve the state. STATE: case neg A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
rw [dif_neg]
case neg A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = 0
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ ¬IsUnit (C a)
Please generate a tactic in lean4 to solve the state. STATE: case neg A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
intro hCa
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ ¬IsUnit (C a)
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : IsUnit (C a) ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a ⊢ ¬IsUnit (C a) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
apply ha
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : IsUnit (C a) ⊢ False
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : IsUnit (C a) ⊢ IsUnit a
Please generate a tactic in lean4 to solve the state. STATE: case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : IsUnit (C a) ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
rw [isUnit_iff_exists_inv] at hCa ⊢
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : IsUnit (C a) ⊢ IsUnit a
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : ∃ b, C a * b = 1 ⊢ ∃ b, a * b = 1
Please generate a tactic in lean4 to solve the state. STATE: case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : IsUnit (C a) ⊢ IsUnit a TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
obtain ⟨b, hb⟩ := hCa
case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : ∃ b, C a * b = 1 ⊢ ∃ b, a * b = 1
case neg.hnc.intro A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ ∃ b, a * b = 1
Please generate a tactic in lean4 to solve the state. STATE: case neg.hnc A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a hCa : ∃ b, C a * b = 1 ⊢ ∃ b, a * b = 1 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
use b.coeff 0
case neg.hnc.intro A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ ∃ b, a * b = 1
case h A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ a * b.coeff 0 = 1
Please generate a tactic in lean4 to solve the state. STATE: case neg.hnc.intro A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ ∃ b, a * b = 1 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
convert congr_arg₂ coeff hb rfl
case h A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ a * b.coeff 0 = 1
case h.e'_2 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ a * b.coeff 0 = (C a * b).coeff ?h case h.e'_3 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring...
Please generate a tactic in lean4 to solve the state. STATE: case h A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ a * b.coeff 0 = 1 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
rw [Polynomial.coeff_C_mul]
case h.e'_2 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ a * b.coeff 0 = (C a * b).coeff ?h case h.e'_3 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring...
case h.e'_3 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ 1 = coeff 1 0
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_2 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ a * b.coeff 0 = (C a * b).coeff ?h case h.e'_3 A : Type ?u.83499 inst✝¹ : CommRing A I : I...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
simp only [coeff_one_zero]
case h.e'_3 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ 1 = coeff 1 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.e'_3 A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : ¬IsUnit a b : R[X] hb : C a * b = 1 ⊢ 1 = coeff 1 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← mul_left_inj' (pos_iff_ne_zero.mp (Nat.choose_pos hp))]
A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ mchoose m n = ∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), DividedPowers.IdealAdd.cnik n i ↑x) * ((Nat.multinomial (ran...
A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ mchoose m n * (m * n).choose p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), DividedPowers.IdealAdd.cnik n i ↑x) * ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ mchoose m n = ∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), Divided...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
apply @Nat.cast_injective ℚ
A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ mchoose m n * (m * n).choose p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), DividedPowers.IdealAdd.cnik n i ↑x) * ...
case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n * (m * n).choose p) = ↑((∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), DividedPowers.IdealAdd.cnik n i ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ mchoose m n * (m * n).choose p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [Sym.mem_coe, mem_sym_iff, mem_range, ge_iff_le, Nat.cast_sum, Nat.cast_mul, Nat.cast_prod, Nat.cast_eq_zero]
case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n * (m * n).choose p) = ↑((∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), DividedPowers.IdealAdd.cnik n i ...
case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n) * ↑((m * n).choose p) = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), ↑(DividedPowers.IdealAdd.cnik n i...
Please generate a tactic in lean4 to solve the state. STATE: case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n * (m * n).choose p) = ↑((∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
conv_lhs => rw [← Polynomial.coeff_X_add_one_pow ℚ (m * n) p]
case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n) * ↑((m * n).choose p) = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), ↑(DividedPowers.IdealAdd.cnik n i...
case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), ↑(DividedPowers.IdealAdd....
Please generate a tactic in lean4 to solve the state. STATE: case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n) * ↑((m * n).choose p) = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
let A := ℚ[X]
case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), ↑(DividedPowers.IdealAdd....
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I : Ideal A✝ hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), ↑(Div...
Please generate a tactic in lean4 to solve the state. STATE: case a A : Type ?u.93141 inst✝ : CommRing A I : Ideal A hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sy...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
let I : Ideal A := ⊤
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I : Ideal A✝ hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ range (n + 1), ↑(Div...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ r...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I : Ideal A✝ hI : DividedPowers I m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
let hI : DividedPowers I := RatAlgebra.dividedPowers ⊤
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((range (n + 1)).sym m), (∏ i ∈ r...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
let hII : ∀ (n : ℕ) (a : A), a ∈ I ⊓ I → hI.dpow n a = hI.dpow n a := fun n a _ => rfl
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).c...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).coeff p = (∑...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
let h1 : (1 : A) ∈ I := Submodule.mem_top
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl ⊢ ↑(mchoose m n) * ((X + 1) ^ (m * n)).c...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top ⊢ ↑(mcho...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
let hX : X ∈ I := Submodule.mem_top
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top ⊢ ↑(mcho...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← hI.factorial_mul_dpow_eq_pow (m * n) (X + 1) Submodule.mem_top]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← Polynomial.coeff_C_mul]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← mul_assoc, mul_comm (C ((mchoose m n) : ℚ)), mul_assoc]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [C_eq_natCast]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← hI.dpow_comp m hn Submodule.mem_top]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← dpow_eq_of_mem_left hI hI hII n Submodule.mem_top, ← dpow_eq_of_mem_left hI hI hII m Submodule.mem_top]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [dpow_comp_aux hI hI hII m hn hX h1]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← C_eq_natCast]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [Finset.mul_sum]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [finset_sum_coeff]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [hI]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [RatAlgebra.dpow_eq_inv_fact_smul _ _ Submodule.mem_top]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [map_natCast, Nat.cast_sum, Nat.cast_mul, Nat.cast_prod, Ring.inverse_eq_inv', Algebra.mul_smul_comm, one_pow, mul_one, coeff_smul, coeff_natCast_mul, smul_eq_mul]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [← Nat.cast_prod, ← Nat.cast_mul, ← Nat.cast_sum]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [Finset.sum_eq_single p]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
conv_lhs => rw [coeff_natCast_mul, coeff_X_pow, if_pos, mul_one] simp only [← Nat.cast_sum, ← Nat.cast_mul, ← Nat.cast_prod] rw [← mul_assoc, mul_comm] rw [Nat.cast_mul] simp only [mul_assoc] rw [mul_comm]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [Nat.cast_sum, Nat.cast_mul, Nat.cast_prod]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [Finset.sum_mul]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
apply Finset.sum_congr rfl
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
intro x _
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [mul_assoc]
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
congr
case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : X ∈...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
ring_nf
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [mul_assoc]
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [inv_mul_eq_iff_eq_mul₀]
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [inv_mul_eq_iff_eq_mul₀]
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [← Nat.choose_mul_factorial_mul_factorial hp]
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [Nat.cast_mul]
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
ring
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
all_goals simp only [ne_eq, Nat.cast_eq_zero] apply Nat.factorial_ne_zero
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [ne_eq, Nat.cast_eq_zero]
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
apply Nat.factorial_ne_zero
case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.e_a.e_a.e_a A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
intro b _ hb
case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
Please generate a tactic in lean4 to solve the state. STATE: case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
rw [coeff_natCast_mul, coeff_X_pow, if_neg hb.symm]
case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
Please generate a tactic in lean4 to solve the state. STATE: case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [mul_zero]
case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.h₀ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
intro hp'
case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
Please generate a tactic in lean4 to solve the state. STATE: case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
simp only [mem_range, Nat.lt_succ_iff] at hp'
case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
Please generate a tactic in lean4 to solve the state. STATE: case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_coeffs
[517, 1]
[585, 18]
contradiction
case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow n a := fun n a x => rfl h1 : 1 ∈ I := Submodule.mem_top hX : ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a.h₁ A✝ : Type ?u.93141 inst✝ : CommRing A✝ I✝ : Ideal A✝ hI✝ : DividedPowers I✝ m n p : ℕ hn : n ≠ 0 hp : p ≤ m * n A : Type := ℚ[X] I : Ideal A := ⊤ hI : DividedPowers I := RatAlgebra.dividedPowers ⊤ hII : ∀ (n : ℕ), ∀ a ∈ I ⊓ I, hI.dpow n a = hI.dpow ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
rw [Ideal.add_eq_sup, Submodule.mem_sup] at hx
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ x : A hn : n ≠ 0 hx : x ∈ I + J ⊢ dpow hI hJ m (dpow hI hJ n x) = ↑(mchoose m n) * dpow hI hJ (m * n) x
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ x : A hn : n ≠ 0 hx : ∃ y ∈ I, ∃ z ∈ J, y + z = x ⊢ dpow hI hJ m (dpow hI hJ n x) = ↑(mchoose m n) * dpow hI hJ (m * n) x
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ x : A hn : n ≠ 0 hx : x ∈ I + J ⊢ dpow hI hJ m (dpow hI hJ n x) = ↑(mchoose m n) * dpow hI hJ (m ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
obtain ⟨a, ha, b, hb, rfl⟩ := hx
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ x : A hn : n ≠ 0 hx : ∃ y ∈ I, ∃ z ∈ J, y + z = x ⊢ dpow hI hJ m (dpow hI hJ n x) = ↑(mchoose m n) * dpow hI hJ (m * n) x
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ dpow hI hJ m (dpow hI hJ n (a + b)) = ↑(mchoose m n) * dpow hI hJ (m * n) (a + b)
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ x : A hn : n ≠ 0 hx : ∃ y ∈ I, ∃ z ∈ J, y + z = x ⊢ dpow hI hJ m (dpow hI hJ n x) = ↑(mchoose m n...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
rw [dpow_comp_aux hI hJ hIJ m hn ha hb, dpow_add' hI hJ hIJ _ (Submodule.mem_sup_left ha) (Submodule.mem_sup_right hb), Finset.mul_sum]
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ dpow hI hJ m (dpow hI hJ n (a + b)) = ↑(mchoose m n) * dpow hI hJ (m * n) (a + b)
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∑ p ∈ range (m * n + 1), ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multi...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ dpow hI hJ m (dpow hI...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
apply Finset.sum_congr rfl
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∑ p ∈ range (m * n + 1), ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multi...
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ x ∈ range (m * n + 1), ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multise...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∑ p ∈ range (m * n + ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
intro p hp
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ x ∈ range (m * n + 1), ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multise...
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Mul...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ x ∈ range (m * n + ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
rw [dpow_eq_of_mem_left hI hJ hIJ _ ha]
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Mul...
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Mul...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
rw [dpow_eq_of_mem_right hI hJ hIJ _ hb]
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Mul...
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Mul...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
simp only [mul_assoc]
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Mul...
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Mul...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp
[588, 1]
[603, 73]
rw [dpow_comp_coeffs hn (Nat.lt_succ_iff.mp (Finset.mem_range.mp hp))]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (fun l => ∑ i ∈ range (n + 1), Multiset.count i ↑l * i = p) ((r...
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J p : ℕ hp : p ∈ range (m * n + 1) ⊢ ↑(∑ x ∈ filter (f...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_null
[606, 1]
[612, 36]
simp only [dpow]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ dpow hI hJ n x = 0
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ Function.extend (fun x => ↑x.1 + ↑x.2) (fun x => ∑ k ∈ range (n + 1), hI.dpow k ↑x.1 * hJ.dpow (n - k) ↑x.2) (Function.const A 0) x = 0
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ dpow hI hJ n x = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_null
[606, 1]
[612, 36]
rw [Function.extend_apply']
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ Function.extend (fun x => ↑x.1 + ↑x.2) (fun x => ∑ k ∈ range (n + 1), hI.dpow k ↑x.1 * hJ.dpow (n - k) ↑x.2) (Function.const A 0) x = 0
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ Function.const A 0 x = 0 case hb A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ ¬∃ a, ↑a.1 + ↑a.2 = x
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ Function.extend (fun x => ↑x.1 + ↑x.2) (fun x => ∑ k ∈ range (n + 1), hI.dpow k ↑x.1 * hJ.dpow (n - k) ↑x.2) (Function.const A...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_null
[606, 1]
[612, 36]
rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ Function.const A 0 x = 0 case hb A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ ¬∃ a, ↑a.1 + ↑a.2 = x
case hb A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ ¬∃ a, ↑a.1 + ↑a.2 = x
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ Function.const A 0 x = 0 case hb A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_null
[606, 1]
[612, 36]
rintro ⟨⟨⟨a, ha⟩, ⟨b, hb⟩⟩, h⟩
case hb A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ ¬∃ a, ↑a.1 + ↑a.2 = x
case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: case hb A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J ⊢ ¬∃ a, ↑a.1 + ↑a.2 = x TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_null
[606, 1]
[612, 36]
apply hx
case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ False
case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ x ∈ I + J
Please generate a tactic in lean4 to solve the state. STATE: case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ False TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_null
[606, 1]
[612, 36]
rw [← h]
case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ x ∈ I + J
case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 ∈ I + J
Please generate a tactic in lean4 to solve the state. STATE: case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ x ∈ I + J TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_null
[606, 1]
[612, 36]
exact Submodule.add_mem_sup ha hb
case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 ∈ I + J
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hb.intro.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J n : ℕ x : A hx : x ∉ I + J a : A ha : a ∈ I b : A hb : b ∈ J h : ↑(⟨a, ha⟩, ⟨b, hb⟩).1 + ↑(⟨a, ha⟩, ⟨b, hb⟩).2 = x ⊢ ↑(⟨a, ha⟩, ⟨b, hb⟩).1...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
rw [Ideal.add_eq_sup, Submodule.mem_sup] at hx
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a x : A hx : x ∈ I + J ⊢ dpow hI hJ 1 x = x
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a x : A hx : ∃ y ∈ I, ∃ z ∈ J, y + z = x ⊢ dpow hI hJ 1 x = x
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a x : A hx : x ∈ I + J ⊢ dpow hI hJ 1 x = x TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
obtain ⟨a, ha, b, hb, rfl⟩ := hx
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a x : A hx : ∃ y ∈ I, ∃ z ∈ J, y + z = x ⊢ dpow hI hJ 1 x = x
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ dpow hI hJ 1 (a + b) = a + b
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a x : A hx : ∃ y ∈ I, ∃ z ∈ J, y + z = x ⊢ dpow hI hJ 1 x = x TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
rw [dpow_eq hI hJ hIJ _ ha hb]
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ dpow hI hJ 1 (a + b) = a + b
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∑ k ∈ range (1 + 1), hI.dpow k a * hJ.dpow (1 - k) b = a + b
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ dpow hI hJ 1 (a + b) = a + b TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
suffices h : Finset.range (1 + 1) = {0, 1} by rw [h] simp only [Finset.sum_insert, Finset.mem_singleton, Nat.zero_ne_one, not_false_iff, tsub_zero, Finset.sum_singleton, tsub_self] rw [hI.dpow_zero ha, hI.dpow_one ha, hJ.dpow_zero hb, hJ.dpow_one hb] ring
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∑ k ∈ range (1 + 1), hI.dpow k a * hJ.dpow (1 - k) b = a + b
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ range (1 + 1) = {0, 1}
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∑ k ∈ range (1 + 1), hI.dpow k a * hJ.dp...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
rw [h]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ ∑ k ∈ range (1 + 1), hI.dpow k a * hJ.dpow (1 - k) b = a + b
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ ∑ k ∈ {0, 1}, hI.dpow k a * hJ.dpow (1 - k) b = a + b
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ ∑ k ∈ range (1 + 1), hI.dpow k a * hJ.dpow...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
simp only [Finset.sum_insert, Finset.mem_singleton, Nat.zero_ne_one, not_false_iff, tsub_zero, Finset.sum_singleton, tsub_self]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ ∑ k ∈ {0, 1}, hI.dpow k a * hJ.dpow (1 - k) b = a + b
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ hI.dpow 0 a * hJ.dpow 1 b + hI.dpow 1 a * hJ.dpow 0 b = a + b
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ ∑ k ∈ {0, 1}, hI.dpow k a * hJ.dpow (1 - k...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
rw [hI.dpow_zero ha, hI.dpow_one ha, hJ.dpow_zero hb, hJ.dpow_one hb]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ hI.dpow 0 a * hJ.dpow 1 b + hI.dpow 1 a * hJ.dpow 0 b = a + b
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ 1 * b + a * 1 = a + b
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ hI.dpow 0 a * hJ.dpow 1 b + hI.dpow 1 a * ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
ring
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ 1 * b + a * 1 = a + b
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J h : range (1 + 1) = {0, 1} ⊢ 1 * b + a * 1 = a + b TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
rw [Finset.range_succ, Finset.range_one]
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ range (1 + 1) = {0, 1}
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ {1, 0} = {0, 1}
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ range (1 + 1) = {0, 1} TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
ext k
case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ {1, 0} = {0, 1}
case intro.intro.intro.intro.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J k : ℕ ⊢ k ∈ {1, 0} ↔ k ∈ {0, 1}
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J ⊢ {1, 0} = {0, 1} TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
simp
case intro.intro.intro.intro.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J k : ℕ ⊢ k ∈ {1, 0} ↔ k ∈ {0, 1}
case intro.intro.intro.intro.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J k : ℕ ⊢ k = 1 ∨ k = 0 ↔ k = 0 ∨ k = 1
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J k : ℕ ⊢ k ∈ {1, 0} ↔ k ∈ {0, 1} TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_one
[614, 1]
[627, 73]
exact or_comm
case intro.intro.intro.intro.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J k : ℕ ⊢ k = 1 ∨ k = 0 ↔ k = 0 ∨ k = 1
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a a : A ha : a ∈ I b : A hb : b ∈ J k : ℕ ⊢ k = 1 ∨ k = 0 ↔ k = 0 ∨ k = 1 TA...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
rw [Submodule.mem_inf] at ha
A : Type ?u.129773 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b n : ℕ a : A ha : a ∈ I ⊓ J ⊢ hI.dpow n a = hJ.dpow n a
A : Type ?u.129773 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b n : ℕ a : A ha : a ∈ I ∧ a ∈ J ⊢ hI.dpow n a = hJ.dpow n a
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.129773 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b n : ℕ a : A ha : a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
rw [hI' _ _ ha.1, hJ' _ _ ha.2]
A : Type ?u.129773 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b n : ℕ a : A ha : a ∈ I ∧ a ∈ J ⊢ hI.dpow n a = hJ.dpow n a
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.129773 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b n : ℕ a : A ha : a...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
intro hIJ
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b ⊢ let hIJ := ⋯; hsup = dividedPowers hI hJ hIJ
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => Eq.mpr...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b ⊢ let hIJ := ⋯; hsup =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
apply eq_of_eq_on_ideal
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => Eq.mpr...
case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
intro n x hx
case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => ...
case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => ...
Please generate a tactic in lean4 to solve the state. STATE: case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
rw [Ideal.add_eq_sup, Submodule.mem_sup] at hx
case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => ...
case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => ...
Please generate a tactic in lean4 to solve the state. STATE: case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
obtain ⟨a, ha, b, hb, rfl⟩ := hx
case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a := fun n a ha => ...
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
Please generate a tactic in lean4 to solve the state. STATE: case h_eq A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
rw [hsup.dpow_add' n (Submodule.mem_sup_left ha) (Submodule.mem_sup_right hb)]
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
Please generate a tactic in lean4 to solve the state. STATE: case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
simp only [IdealAdd.dividedPowers, dpow_eq hI hJ hIJ n ha hb]
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
Please generate a tactic in lean4 to solve the state. STATE: case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
apply Finset.sum_congr rfl
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
Please generate a tactic in lean4 to solve the state. STATE: case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_unique
[643, 1]
[660, 63]
intro k _
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup.dpow n b hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow...
Please generate a tactic in lean4 to solve the state. STATE: case h_eq.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hsup : DividedPowers (I + J) hI' : ∀ (n : ℕ), ∀ a ∈ I, hI.dpow n a = hsup.dpow n a hJ' : ∀ (n : ℕ), ∀ b ∈ J, hJ.dpow n b = hsup...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/Topology/LinearTopology.lean
TopologicalSpace.le_iff_nhds_le
[34, 1]
[48, 58]
rw [le_iff_nhds]
α : Type u_1 τ τ' : TopologicalSpace α ⊢ τ ≤ τ' ↔ ∀ (s : Set α), ∀ a ∈ s, s ∈ nhds a → s ∈ nhds a
α : Type u_1 τ τ' : TopologicalSpace α ⊢ (∀ (x : α), nhds x ≤ nhds x) ↔ ∀ (s : Set α), ∀ a ∈ s, s ∈ nhds a → s ∈ nhds a
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 τ τ' : TopologicalSpace α ⊢ τ ≤ τ' ↔ ∀ (s : Set α), ∀ a ∈ s, s ∈ nhds a → s ∈ nhds a TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/Topology/LinearTopology.lean
TopologicalSpace.le_iff_nhds_le
[34, 1]
[48, 58]
rw [forall_comm]
α : Type u_1 τ τ' : TopologicalSpace α ⊢ (∀ (x : α), nhds x ≤ nhds x) ↔ ∀ (s : Set α), ∀ a ∈ s, s ∈ nhds a → s ∈ nhds a
α : Type u_1 τ τ' : TopologicalSpace α ⊢ (∀ (x : α), nhds x ≤ nhds x) ↔ ∀ (b : α) (a : Set α), b ∈ a → a ∈ nhds b → a ∈ nhds b
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 τ τ' : TopologicalSpace α ⊢ (∀ (x : α), nhds x ≤ nhds x) ↔ ∀ (s : Set α), ∀ a ∈ s, s ∈ nhds a → s ∈ nhds a TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/Topology/LinearTopology.lean
TopologicalSpace.le_iff_nhds_le
[34, 1]
[48, 58]
apply forall_congr'
α : Type u_1 τ τ' : TopologicalSpace α ⊢ (∀ (x : α), nhds x ≤ nhds x) ↔ ∀ (b : α) (a : Set α), b ∈ a → a ∈ nhds b → a ∈ nhds b
case h α : Type u_1 τ τ' : TopologicalSpace α ⊢ ∀ (a : α), nhds a ≤ nhds a ↔ ∀ (a_1 : Set α), a ∈ a_1 → a_1 ∈ nhds a → a_1 ∈ nhds a
Please generate a tactic in lean4 to solve the state. STATE: α : Type u_1 τ τ' : TopologicalSpace α ⊢ (∀ (x : α), nhds x ≤ nhds x) ↔ ∀ (b : α) (a : Set α), b ∈ a → a ∈ nhds b → a ∈ nhds b TACTIC: