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https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
apply congr_argβ‚‚ _ _ rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
apply congr_arg
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only [Finset.mem_antidiagonal] at h
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
Please generate a tactic in lean4 to solve the state. STATE: case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only [hs_def, Prod.mk.injEq]
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
Please generate a tactic in lean4 to solve the state. STATE: case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [rewriting_4_fold_sums h.symm (fun x => u.choose x.fst * v.choose x.snd) rfl _]
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
Please generate a tactic in lean4 to solve the state. STATE: case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rintro ⟨⟨i, j⟩, ⟨k, l⟩⟩
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1 + x....
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow ((i, j), k, l).1.1 a * hJ.dpow ((i, j), k, l).1.2 b * (hI.dpow ((i, j), k, l).2.1 ...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
dsimp
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow ((i, j), k, l).1.1 a * hJ.dpow ((i, j), k, l).1.2 b * (hI.dpow ((i, j), k, l).2.1 ...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * hJ.dpow j b * (hI.dpow k a * hJ.dpow l b) = ↑((i + k).choose i) * ↑((j + l).ch...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow ((i, j), k, l).1.1 a * hJ.d...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [mul_assoc]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * hJ.dpow j b * (hI.dpow k a * hJ.dpow l b) = ↑((i + k).choose i) * ↑((j + l).ch...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hJ.dpow j b * (hI.dpow k a * hJ.dpow l b)) = ↑((i + k).choose i) * ↑((j + l)....
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * hJ.dpow j b * (hI.dpo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [← mul_assoc (hJ.dpow j b) _ _]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hJ.dpow j b * (hI.dpow k a * hJ.dpow l b)) = ↑((i + k).choose i) * ↑((j + l)....
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hJ.dpow j b * hI.dpow k a * hJ.dpow l b) = ↑((i + k).choose i) * ↑((j + l).ch...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hJ.dpow j b * (hI.dp...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [mul_comm (hJ.dpow j b)]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hJ.dpow j b * hI.dpow k a * hJ.dpow l b) = ↑((i + k).choose i) * ↑((j + l).ch...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * hJ.dpow j b * hJ.dpow l b) = ↑((i + k).choose i) * ↑((j + l).ch...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hJ.dpow j b * hI.dpo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [mul_assoc]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * hJ.dpow j b * hJ.dpow l b) = ↑((i + k).choose i) * ↑((j + l).ch...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * (hJ.dpow j b * hJ.dpow l b)) = ↑((i + k).choose i) * ↑((j + l)....
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * hJ.dpo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [hJ.dpow_mul j l hb]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * (hJ.dpow j b * hJ.dpow l b)) = ↑((i + k).choose i) * ↑((j + l)....
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * (↑((j + l).choose j) * hJ.dpow (j + l) b)) = ↑((i + k).choose i...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * (hJ.dp...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [← mul_assoc]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * (↑((j + l).choose j) * hJ.dpow (j + l) b)) = ↑((i + k).choose i...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * hI.dpow k a * (↑((j + l).choose j) * hJ.dpow (j + l) b) = ↑((i + k).choose i) ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * (hI.dpow k a * (↑((j ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [hI.dpow_mul i k ha]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * hI.dpow k a * (↑((j + l).choose j) * hJ.dpow (j + l) b) = ↑((i + k).choose i) ...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ ↑((i + k).choose i) * hI.dpow (i + k) a * (↑((j + l).choose j) * hJ.dpow (j + l) b) = ↑((i +...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ hI.dpow i a * hI.dpow k a * (↑((j +...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
ring
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ ↑((i + k).choose i) * hI.dpow (i + k) a * (↑((j + l).choose j) * hJ.dpow (j + l) b) = ↑((i +...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J i j k l : β„• ⊒ ↑((i + k).choose i) * hI.dpow (i + ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rintro ⟨⟨i, j⟩, ⟨k, l⟩⟩ h
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only [Finset.mem_antidiagonal, Finset.mem_product] at h ⊒
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [add_assoc, ← add_assoc k j l, add_comm k _, add_assoc, h.2, ← add_assoc, h.1]
case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
apply Finset.sum_congr rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rintro ⟨u, v⟩ _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only [Prod.mk.injEq, mem_product, mem_antidiagonal, and_imp, Prod.forall, Nat.cast_sum, Nat.cast_mul]
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
Please generate a tactic in lean4 to solve the state. STATE: case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only [Finset.sum_mul]
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
Please generate a tactic in lean4 to solve the state. STATE: case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
apply Finset.sum_congr rfl
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
Please generate a tactic in lean4 to solve the state. STATE: case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rintro ⟨⟨i, j⟩, ⟨k, l⟩⟩ hx
case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
Please generate a tactic in lean4 to solve the state. STATE: case mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only [hs_def, mem_product, mem_antidiagonal, and_imp, Prod.forall, mem_filter, Prod.mk.injEq] at hx
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [hx.2.1]
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [hx.2.2]
case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b)...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mk.mk.mk.mk A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [← Nat.add_choose_eq]
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
Please generate a tactic in lean4 to solve the state. STATE: case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
rw [h]
case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
intro x h
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ↑((x.1.1...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mul
[163, 1]
[238, 93]
simp only [Nat.choose_eq_zero_of_lt h, MulZeroClass.zero_mul, MulZeroClass.mul_zero]
case inr A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * hJ.dpow x.1.2 b * (hI.dpow x.2.1 a * hJ.dpow x.2.2 b) = ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case inr A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• a : A ha : a ∈ I b : A hb : b ∈ J hf : βˆ€ (x : (β„• Γ— β„•) Γ— β„• Γ— β„•), hI.dpow x.1.1 a * ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x : A hn : n β‰  0 hx : x ∈ I + J ⊒ dpow hI hJ n x ∈ I + J
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x : A hn : n β‰  0 hx : βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x ⊒ dpow hI hJ n x ∈ I + J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x : A hn : n β‰  0 hx : x ∈ I + J ⊒ dpow hI hJ n x ∈ I + J TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x : A hn : n β‰  0 hx : βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x ⊒ dpow hI hJ n x ∈ I + J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (a + b) ∈ I + J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x : A hn : n β‰  0 hx : βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x ⊒ dpow hI hJ n x ∈ I + J TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (a + b) ∈ I + J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k a * hJ.dpow (n - k) b ∈ I + J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (a + b) ∈ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
apply Submodule.sum_mem (I βŠ” J)
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k a * hJ.dpow (n - k) b ∈ I + J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ c ∈ range (n + 1), hI.dpow c a * hJ.dpow (n - c) b ∈ I βŠ” J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
intro 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ c ∈ range (n + 1), hI.dpow c a * hJ.dpow (n - c) b ∈ I βŠ” J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) ⊒ hI.dpow k a * hJ.dpow (n - k) b ∈ I βŠ” J
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ c ∈ range (n + 1), hI...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
by_cases hk0 : k = 0
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) ⊒ hI.dpow k a * hJ.dpow (n - k) b ∈ I βŠ” J
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI.dpow k a * hJ.dpow (n - k) b ∈ I βŠ” J case neg A : Type u_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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n +...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
rw [hk0]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI.dpow k a * hJ.dpow (n - k) b ∈ I βŠ” J
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI.dpow 0 a * hJ.dpow (n - 0) b ∈ I βŠ” J
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
apply Submodule.mem_sup_right
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI.dpow 0 a * hJ.dpow (n - 0) b ∈ I βŠ” J
case pos.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI.dpow 0 a * hJ.dpow (n - 0) b ∈ J
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
apply Ideal.mul_mem_left
case pos.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hI.dpow 0 a * hJ.dpow (n - 0) b ∈ J
case pos.a.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hJ.dpow (n - 0) b ∈ J
Please generate a tactic in lean4 to solve the state. STATE: case pos.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
exact hJ.dpow_mem hn hb
case pos.a.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ⊒ hJ.dpow (n - 0) b ∈ J
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos.a.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : k = 0 ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
apply Submodule.mem_sup_left
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0 ⊒ hI.dpow k a * hJ.dpow (n - k) b ∈ I βŠ” J
case neg.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0 ⊒ hI.dpow k a * hJ.dpow (n - k) b ∈ I
Please generate a tactic in lean4 to solve the state. STATE: case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0 ⊒ h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
apply Ideal.mul_mem_right
case neg.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0 ⊒ hI.dpow k a * hJ.dpow (n - k) b ∈ I
case neg.a.h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0 ⊒ hI.dpow k a ∈ I
Please generate a tactic in lean4 to solve the state. STATE: case neg.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0 ⊒...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_mem
[241, 1]
[258, 29]
exact hI.dpow_mem hk0 ha
case neg.a.h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0 ⊒ hI.dpow k a ∈ I
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.a.h A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J k : β„• a✝ : k ∈ range (n + 1) hk0 : Β¬k = 0...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
intro n c x
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {c x : A}, x ∈ I + J β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ n x
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c x : A ⊒ x ∈ I + J β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {c x : A}, x ∈ I + J β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ n x TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [Ideal.add_eq_sup, Submodule.mem_sup]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c x : A ⊒ x ∈ I + J β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ n x
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c x : A ⊒ (βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x) β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c x : A ⊒ x ∈ I + J β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ n x TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rintro ⟨a, ha, b, hb, rfl⟩
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c x : A ⊒ (βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x) β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * (a + b)) = c ^ n * dpow hI hJ 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c x : A ⊒ (βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x) β†’ dpow hI hJ n (c * x) = c ^ n * dpow hI hJ n x TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [dpow_eq hI hJ hIJ n 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * (a + b)) = c ^ n * dpow hI hJ 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * (a + b)) = c ^ n * βˆ‘ k ∈ range (n + 1), hI.dpow k a * hJ.dpow (n - k) 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * (a + b)) = c ^...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [mul_add]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * (a + b)) = c ^ n * βˆ‘ k ∈ range (n + 1), hI.dpow k a * hJ.dpow (n - k) 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * a + c * b) = c ^ n * βˆ‘ k ∈ range (n + 1), hI.dpow k a * hJ.dpow (n - k) 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * (a + b)) = c ^...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [dpow_eq hI hJ hIJ n (Ideal.mul_mem_left I c ha) (Ideal.mul_mem_left J c 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * a + c * b) = c ^ n * βˆ‘ k ∈ range (n + 1), hI.dpow k a * hJ.dpow (n - k) 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = c ^ n * βˆ‘ k ∈ range (n...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ n (c * a + c * b) = c...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = c ^ n * βˆ‘ k ∈ range (n...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = βˆ‘ i ∈ range (n + 1), c...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = βˆ‘ i ∈ range (n + 1), c...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ x ∈ range (n + 1), hI.dpow x (c * a) * hJ.dpow (n - x) (c * b) = c ^ n * (hI.dpow x a * hJ....
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
intro k hk
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ x ∈ range (n + 1), hI.dpow x (c * a) * hJ.dpow (n - x) (c * b) = c ^ n * (hI.dpow x a * hJ....
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ∈ range (n + 1) ⊒ hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = c ^ n * (hI.dpow k...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ€ x ∈ range (n + 1), hI.dpow x (...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
simp only [Finset.mem_range, Nat.lt_succ_iff] at hk
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ∈ range (n + 1) ⊒ hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = c ^ n * (hI.dpow 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = c ^ n * (hI.dpow k a * hJ.dpow...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ∈ range (n + 1) ⊒ hI....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [hI.dpow_smul]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ hI.dpow k (c * a) * hJ.dpow (n - k) (c * b) = c ^ n * (hI.dpow k a * hJ.dpow...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow k a * hJ.dpow (n - k) (c * b) = c ^ n * (hI.dpow k a * hJ.dp...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ hI.dpow k (c * ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [hJ.dpow_smul]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow k a * hJ.dpow (n - k) (c * b) = c ^ n * (hI.dpow k a * hJ.dp...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow k a * (c ^ (n - k) * hJ.dpow (n - k) b) = c ^ n * (hI.dpow k...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow k a * (c ^ (n - k) * hJ.dpow (n - k) b) = c ^ n * (hI.dpow 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow k a * c ^ (n - k) * hJ.dpow (n - k) b = c ^ n * hI.dpow k a ...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [mul_comm, ← mul_assoc]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow k a * c ^ (n - k) = c ^ n * hI.dpow k a case intro.intro.intro.intro.x A : Type u_1 inst...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ (n - k) * c ^ k * hI.dpow k a = c ^ n * hI.dpow k a case intro.intro.intro.intro.x A : Type u_1 inst...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ k * hI.dpow k a * c ^ (n - k) = c ^ n * ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
rw [← pow_add, Nat.sub_add_cancel hk]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ (n - k) * c ^ k = c ^ n case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : Ideal A h...
case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ b ∈ J case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : ...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ c ^ (n - k) * c ^ k = c ^ n case intro.intr...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
exact hb
case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ b ∈ J case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : ...
case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ a ∈ I
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ b ∈ J case i...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_smul
[261, 1]
[282, 11]
exact ha
case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ a ∈ I
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• c a : A ha : a ∈ I b : A hb : b ∈ J k : β„• hk : k ≀ n ⊒ a ∈ I TACTIC:...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
intro n x y
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {x y : A}, x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k x * dpow hI hJ (n - k) y
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x y : A ⊒ x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k x * dpow hI hJ (n - k) y
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {x y : A}, x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Ideal.add_eq_sup, Submodule.mem_sup]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x y : A ⊒ x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k x * dpow hI hJ (n - k) y
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x y : A ⊒ (βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x) β†’ y ∈ I βŠ” J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k x * dpow hI hJ (n - k) y
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x y : A ⊒ x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k x * dpow...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rintro ⟨a, ha, b, hb, rfl⟩
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x y : A ⊒ (βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x) β†’ y ∈ I βŠ” J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k x * dpow hI hJ (n - k) y
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• y a : A ha : a ∈ I b : A hb : b ∈ J ⊒ y ∈ I βŠ” J β†’ dpow hI hJ n (a + b + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k (a + b) * dpow hI hJ...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• x y : A ⊒ (βˆƒ y ∈ I, βˆƒ z ∈ J, y + z = x) β†’ y ∈ I βŠ” J β†’ dpow hI hJ n (x + y) = βˆ‘ k ∈ range (n + 1...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Submodule.mem_sup]
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• y a : A ha : a ∈ I b : A hb : b ∈ J ⊒ y ∈ I βŠ” J β†’ dpow hI hJ n (a + b + y) = βˆ‘ k ∈ range (n + 1), dpow hI hJ k (a + b) * dpow hI hJ...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• y a : A ha : a ∈ I b : A hb : b ∈ J ⊒ (βˆƒ y_1 ∈ I, βˆƒ z ∈ J, y_1 + z = y) β†’ dpow hI hJ n (a + b + y) = βˆ‘ k ∈ range (n + 1), dpow ...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• y a : A ha : a ∈ I b : A hb : b ∈ J ⊒ y ∈ I βŠ” J β†’ dpow hI hJ n (a + b ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rintro ⟨a', ha', b', hb', 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• y a : A ha : a ∈ I b : A hb : b ∈ J ⊒ (βˆƒ y_1 ∈ I, βˆƒ z ∈ J, y_1 + z = y) β†’ dpow hI hJ n (a + b + y) = βˆ‘ k ∈ range (n + 1), dpow ...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J ⊒ dpow hI hJ n (a + 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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• y a : A ha : a ∈ I b : A hb : b ∈ J ⊒ (βˆƒ y_1 ∈ I, βˆƒ z ∈ J, y_1 + z = y...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [add_add_add_comm a b a' b']
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J ⊒ dpow hI hJ n (a + b + (a' + b')...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J ⊒ dpow hI hJ n (a + a' + (b + b')...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [dpow_eq hI hJ hIJ n (Submodule.add_mem I ha ha') (Submodule.add_mem J hb hb')]
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J ⊒ dpow hI hJ n (a + a' + (b + b')...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k ...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
let f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun ⟨i, j, k, l⟩ => hI.dpow i a * hI.dpow j a' * hJ.dpow k b * hJ.dpow l b'
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J ⊒ βˆ‘ k ∈ range (n + 1), hI.dpow k ...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
have hf1 : βˆ€ k ∈ Finset.range (n + 1), hI.dpow k (a + a') * hJ.dpow (n - k) (b + b') = (Finset.range (k + 1)).sum fun i => (Finset.range (n - k + 1)).sum fun l => hI.dpow i a * hI.dpow (k - i) a' * hJ.dpow l b * hJ.dpow (n - k - l) b' := by intro k _ rw [hI.dpow_add' k ha ha']; rw [hJ....
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Finset.sum_congr rfl hf1]
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
have hf2 : βˆ€ k ∈ Finset.range (n + 1), dpow hI hJ k (a + b) * dpow hI hJ (n - k) (a' + b') = (Finset.range (k + 1)).sum fun i => (Finset.range (n - k + 1)).sum fun l => hI.dpow i a * hI.dpow l a' * hJ.dpow (k - i) b * hJ.dpow (n - k - l) b' := by intro k _ rw [dpow_eq hI hJ hIJ k ha ...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Finset.sum_congr rfl hf2]
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
convert Finset.sum_4_rw f n
case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case intro.intro.intro.intro.intro.intro.intro.intro A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' :...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
intro k _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [hI.dpow_add' k ha ha']
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [hJ.dpow_add' (n - k) hb hb']
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Finset.sum_mul]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
apply Finset.sum_congr rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
intro i _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Finset.mul_sum]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
apply Finset.sum_congr rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
intro l _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
ring
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
intro k _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [dpow_eq hI hJ hIJ k ha hb]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [dpow_eq hI hJ hIJ (n - k) ha' hb']
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Finset.sum_mul]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
apply Finset.sum_congr rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
intro i _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
rw [Finset.mul_sum]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
apply Finset.sum_congr rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
intro j _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add'
[285, 1]
[333, 30]
ring
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := fun x => match x with | (i, j, k, l) => hI.dpow i a...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a n : β„• a : A ha : a ∈ I b : A hb : b ∈ J a' : A ha' : a' ∈ I b' : A hb' : b' ∈ J f : β„• Γ— β„• Γ— β„• Γ— β„• β†’ A := ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add
[336, 1]
[342, 28]
simp only [Finset.Nat.sum_antidiagonal_eq_sum_range_succ_mk]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {x y : A}, x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ x_3 ∈ antidiagonal n, match x_3 with | (k,...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {x y : A}, x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ x_3 ∈ range n.succ, dpow hI hJ x_3 x * dpow hI hJ (n - x_3) y
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {x y : A}, x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ x_3 ∈...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_add
[336, 1]
[342, 28]
exact dpow_add' hI hJ hIJ
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {x y : A}, x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ x_3 ∈ range n.succ, dpow hI hJ x_3 x * dpow hI hJ (n - x_3) y
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a ⊒ βˆ€ (n : β„•) {x y : A}, x ∈ I + J β†’ y ∈ I + J β†’ dpow hI hJ n (x + y) = βˆ‘ x_3 ∈ range n.succ, dpow hI h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [dpow_eq hI hJ hIJ n ha hb, dpow_sum_aux (dpow hI hJ)]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ m (dpow hI hJ n (a + b)) = βˆ‘ p ∈ range (m * n + 1), ↑(βˆ‘ x ∈ filter (fun l => βˆ‘ i ∈ range (...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ βˆ‘ k ∈ (range (n + 1)).sym m, ∏ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n - ...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J ⊒ dpow hI hJ m (dpow hI hJ n (a + b)) = βˆ‘ p ∈ ra...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
set Ο† : Sym β„• m β†’ β„• := fun k => (Finset.range (n + 1)).sum fun i => Multiset.count i ↑k * i with hΟ†_def
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : βˆ€ (k : Sym β„• m), βˆ€ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : βˆ€ (k : Sym β„• m), βˆ€ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : βˆ€ (k : Sym β„• m), βˆ€ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
suffices hΟ† : βˆ€ k : Sym β„• m, k ∈ (Finset.range (n + 1)).sym m β†’ Ο† k ∈ Finset.range (m * n + 1) by rw [← Finset.sum_fiberwise_of_maps_to hΟ† _] suffices L4 : βˆ€ (p : β„•) (_ : p ∈ Finset.range (m * n + 1)), ((Finset.filter (fun x : Sym β„• m => (fun k : Sym β„• m => Ο† k) x = p) ((Finset.range (n + 1)...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : βˆ€ (k : Sym β„• m), βˆ€ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : βˆ€ (k : Sym β„• m), βˆ€ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n...
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 : βˆ€ (n : β„•), βˆ€ a ∈ I βŠ“ J, hI.dpow n a = hJ.dpow n a m n : β„• hn : n β‰  0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : βˆ€ (k : Sym β„• m), βˆ€ i ∈ range (n + 1), ...