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https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
. intro x hx rw [dpow_zero hI hJ hIJ] exact hx
case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ {x : A}, x ∈ ?m.65386 → dpow hI hJ 0 x = 1 case dpow_add A : Type u_1 inst✝ : CommRing A I : ...
case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J → y ∈ I + J → dpow hI hJ n (x + y) = ∑ k ∈ antidiagonal n, dpo...
Please generate a tactic in lean4 to solve the state. STATE: case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ {x : A}, x ∈ ?m.65386 → dpow hI h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
. simp only [Finset.Nat.sum_antidiagonal_eq_sum_range_succ_mk] intro n x y hx hy rw [dpow_add' hI hJ hIJ] exact hx exact hy
case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J → y ∈ I + J → dpow hI hJ n (x + y) = ∑ k ∈ antidiagonal n, dpo...
case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ {n : ℕ}, n ≠ 0 → dpow hI hJ n 0 = 0 case hx A : Type u_1 inst✝ : CommRing A I : Ideal A ...
Please generate a tactic in lean4 to solve the state. STATE: case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J →...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro k i hi
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n - i)...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) ⊢ dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n - i) b) = ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), dp...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [cnik]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) ⊢ dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n - i) b) = ...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) ⊢ dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n - i) b) = ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) ⊢ dpow hI h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
by_cases hi2 : i = n
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) ⊢ dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n - i) b) = ...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * h...
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) ⊢ dpow hI h...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
have hi2' : n - i ≠ 0 := by intro h; apply hi2 rw [Finset.mem_range, Nat.lt_succ_iff] at hi rw [← Nat.sub_add_cancel hi, h, zero_add]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n ⊢ dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * ...
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 ⊢ dpow hI hJ (Multiset.count i ↑k...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
by_cases hi1 : i = 0
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 ⊢ dpow hI hJ (Multiset.count i ↑k...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hi2]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * h...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [Nat.sub_self]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [if_neg hn]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [if_pos rfl]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [mchoose_zero', mul_one, Nat.cast_one, MulZeroClass.mul_zero, hJ.dpow_zero hb]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a * h...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a) = ...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [dpow_eq_of_mem_left hI hJ hIJ _ (hI.dpow_mem hn ha)]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ dpow hI hJ (Multiset.count n ↑k) (hI.dpow n a) = ...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ hI.dpow (Multiset.count n ↑k) (hI.dpow n a) = ↑(m...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hI.dpow_comp _ hn ha]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : i = n ⊢ hI.dpow (Multiset.count n ↑k) (hI.dpow n a) = ↑(m...
no goals
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro h
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n ⊢ n - i ≠ 0
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n h : n - i = 0 ⊢ False
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply hi2
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n h : n - i = 0 ⊢ False
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n h : n - i = 0 ⊢ i = 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [Finset.mem_range, Nat.lt_succ_iff] at hi
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n h : n - i = 0 ⊢ i = n
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ≤ n hi2 : ¬i = n h : n - i = 0 ⊢ i = 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [← Nat.sub_add_cancel hi, h, zero_add]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ≤ n hi2 : ¬i = n h : n - i = 0 ⊢ i = n
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ≤ n hi2 : ¬i = n h : n - i ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hi1]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [mchoose_zero']
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hI.dpow_zero ha]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [Nat.sub_zero]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [one_mul]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [if_pos rfl]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [dpow_eq_of_mem_right hI hJ hIJ _ (hJ.dpow_mem hn hb)]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ dpow hI hJ (Multise...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ hJ.dpow (Multiset.c...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hJ.dpow_comp _ hn hb]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ hJ.dpow (Multiset.c...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ ↑(mchoose (Multiset...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [MulZeroClass.mul_zero]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ ↑(mchoose (Multiset...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ ↑(mchoose (Multiset...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hI.dpow_zero ha]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ ↑(mchoose (Multiset...
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ ↑(mchoose (Multiset...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [Nat.cast_one, one_mul, mul_one]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : i = 0 ⊢ ↑(mchoose (Multiset...
no goals
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [if_neg hi1]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ dpow hI hJ (Multis...
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ dpow hI hJ (Multis...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [if_neg hi2]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ dpow hI hJ (Multis...
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ dpow hI hJ (Multis...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [mul_comm, dpow_smul hI hJ hIJ, mul_comm]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ dpow hI hJ (Multis...
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ dpow hI hJ (Multis...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [dpow_eq_of_mem_left hI hJ hIJ _ (hI.dpow_mem hi1 ha)]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ dpow hI hJ (Multis...
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow (Multiset....
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [← hJ.factorial_mul_dpow_eq_pow (Multiset.count i k)]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow (Multiset....
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow (Multiset....
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hI.dpow_comp _ hi1 ha]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow (Multiset....
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hJ.dpow_comp _ hi2' hb]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multise...
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [← mul_assoc]
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multise...
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multise...
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply congr_arg₂ _ _ rfl
case neg A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multise...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [mul_assoc]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count i...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [mul_comm (hI.dpow _ a)]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count i...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [← mul_assoc]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count i...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply congr_arg₂ _ _ rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count i...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [Sym.mem_coe, ge_iff_le, Nat.cast_mul]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count i...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply congr_arg₂ _ _ rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count i...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [mul_comm]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ ↑(mchoose (Multiset.count i...
case neg.hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hJ.dpow (n - 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact hJ.dpow_mem hi2' hb
case neg.hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hJ.dpow (n - i)...
case neg.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow i a ∈ I ...
Please generate a tactic in lean4 to solve the state. STATE: case neg.hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1)...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply Submodule.mem_sup_left
case neg.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow i a ∈ I ...
case neg.x.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow i a ∈ ...
Please generate a tactic in lean4 to solve the state. STATE: case neg.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact hI.dpow_mem hi1 ha
case neg.x.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1) hi2 : ¬i = n hi2' : n - i ≠ 0 hi1 : ¬i = 0 ⊢ hI.dpow i a ∈ ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case neg.x.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J k : Sym ℕ m i : ℕ hi : i ∈ range (n + 1...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [← Finset.sum_fiberwise_of_maps_to hφ _]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 L4 : ∀ (p : ℕ) (_ : p ∈ Finset.range (m * n + 1)), ((Finset.filter (fun x : Sym ℕ m => (fun k : Sym ℕ m => φ k) x = p) ((Finset.range (n + 1)).sym m)).sum fun x : Sym ℕ m => (Finset.range (n + 1)).prod fun i : ℕ => dpow hI hJ (Multiset.count i ↑x) (hI.dpow i a * hJ.d...
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro p _
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro k hk
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [Finset.mem_filter] at hk
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [Finset.prod_congr rfl (L1 k), Finset.prod_mul_distrib, Finset.prod_mul_distrib, hI.prod_dpow_self _ ha, hJ.prod_dpow_self _ hb]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [mul_assoc]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply congr_arg₂ _ rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply congr_arg₂ _ rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [sum_range_sym_mul_compl hk.1]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [← mul_assoc]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [mem_sym_iff, mem_range, hφ_def] at hk
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hk.2]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
apply congr_arg₂ _ _ rfl
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [mul_comm]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n...
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [Finset.sum_congr rfl L4]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [Sym.mem_coe, mem_sym_iff, mem_range, ge_iff_le, Nat.cast_sum, Nat.cast_mul, Nat.cast_prod]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp_rw [Finset.sum_mul]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n...
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro k hk
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [Sym.mem_coe, mem_range, Nat.lt_succ_iff]
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact range_sym_weighted_sum_le hk
A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), dpow hI hJ (Multiset.count i ↑k) (hI.dpow i a * hJ.dpow (n...
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J L1 : ∀ (k : Sym ℕ m), ∀ i ∈ range (n + 1), ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro x hx
case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ {x : A}, x ∈ ?m.65386 → dpow hI hJ 0 x = 1
case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J x : A hx : x ∈ ?m.65386 ⊢ dpow hI hJ 0 x = 1
Please generate a tactic in lean4 to solve the state. STATE: case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ {x : A}, x ∈ ?m.65386 → 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_zero hI hJ hIJ]
case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J x : A hx : x ∈ ?m.65386 ⊢ dpow hI hJ 0 x = 1
case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J x : A hx : x ∈ ?m.65386 ⊢ x ∈ I + J
Please generate a tactic in lean4 to solve the state. STATE: case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J x : A hx : x ∈ ?m.65386 ⊢ dpow hI hJ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact hx
case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J x : A hx : x ∈ ?m.65386 ⊢ x ∈ I + J
no goals
Please generate a tactic in lean4 to solve the state. STATE: case dpow_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J x : A hx : x ∈ ?m.65386 ⊢ x ∈ I + J T...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
simp only [Finset.Nat.sum_antidiagonal_eq_sum_range_succ_mk]
case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J → y ∈ I + J → dpow hI hJ n (x + y) = ∑ k ∈ antidiagonal n, dpo...
case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J → y ∈ I + J → dpow hI hJ n (x + y) = ∑ x_3 ∈ range n.succ, dpo...
Please generate a tactic in lean4 to solve the state. STATE: case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J →...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro n x y hx hy
case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J → y ∈ I + J → dpow hI hJ n (x + y) = ∑ x_3 ∈ range n.succ, dpo...
case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : y ∈ I + J ⊢ dpow hI hJ n (x + y) = ∑ x_1 ∈ range n.succ, dpow h...
Please generate a tactic in lean4 to solve the state. STATE: case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ (n : ℕ) {x y : A}, x ∈ I + J →...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [dpow_add' hI hJ hIJ]
case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : y ∈ I + J ⊢ dpow hI hJ n (x + y) = ∑ x_1 ∈ range n.succ, dpow h...
case dpow_add.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : y ∈ I + J ⊢ x ∈ I + J case dpow_add.x A : Type u_1 inst✝ : C...
Please generate a tactic in lean4 to solve the state. STATE: case dpow_add A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : y ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact hx
case dpow_add.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : y ∈ I + J ⊢ x ∈ I + J case dpow_add.x A : Type u_1 inst✝ : C...
case dpow_add.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : y ∈ I + J ⊢ y ∈ I + J
Please generate a tactic in lean4 to solve the state. STATE: case dpow_add.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact hy
case dpow_add.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : y ∈ I + J ⊢ y ∈ I + J
no goals
Please generate a tactic in lean4 to solve the state. STATE: case dpow_add.x A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ x y : A hx : x ∈ I + J hy : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro n hn
case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ {n : ℕ}, n ≠ 0 → dpow hI hJ n 0 = 0
case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn✝ : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ hn : n ≠ 0 ⊢ dpow hI hJ n 0 = 0
Please generate a tactic in lean4 to solve the state. STATE: case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ {n : ℕ}, n ≠ 0 → dpow hI hJ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [dpow_eq_of_mem_left hI hJ hIJ n I.zero_mem]
case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn✝ : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ hn : n ≠ 0 ⊢ dpow hI hJ n 0 = 0
case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn✝ : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ hn : n ≠ 0 ⊢ hI.dpow n 0 = 0
Please generate a tactic in lean4 to solve the state. STATE: case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn✝ : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ hn : n ≠ 0 ⊢ dpow hI hJ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact dpow_eval_zero hI hn
case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn✝ : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ hn : n ≠ 0 ⊢ hI.dpow n 0 = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case dpow_eval_zero A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n✝ : ℕ hn✝ : n✝ ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J n : ℕ hn : n ≠ 0 ⊢ hI.dpow n ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
intro i _
case hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ i ∈ range (n + 1), hI.dpow i a * hJ.dpow (n - i) b ∈ I + J
case hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) ⊢ hI.dpow i a * hJ.dpow (n - i) b ∈ I + J
Please generate a tactic in lean4 to solve the state. STATE: case hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J ⊢ ∀ i ∈ range (n + 1), hI.dpow i a * hJ.dpow...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
by_cases hi0 : i = 0
case hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) ⊢ hI.dpow i a * hJ.dpow (n - i) b ∈ I + J
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 0 ⊢ hI.dpow i a * hJ.dpow (n - i) b ∈ I + J case neg A : Type u_...
Please generate a tactic in lean4 to solve the state. STATE: case hx A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) ⊢ hI.dpow i a *...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
rw [hi0]
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 0 ⊢ hI.dpow i a * hJ.dpow (n - i) b ∈ I + J
case pos A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 0 ⊢ hI.dpow 0 a * hJ.dpow (n - 0) b ∈ I + 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 0 ⊢ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 0 ⊢ hI.dpow 0 a * hJ.dpow (n - 0) b ∈ I + J
case pos.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 0 ⊢ ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 0 ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : i = ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i = 0 ⊢ hI.dpow i a * hJ.dpow (n - i) b ∈ I + J
case neg.a A : Type u_1 inst✝ : CommRing A I : Ideal A hI : DividedPowers I J : Ideal A hJ : DividedPowers J hIJ : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i = 0 ⊢ hI.dpow i a * hJ.dpow (n - i) 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i = 0 ⊢...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i = 0 ⊢ hI.dpow i a * hJ.dpow (n - i) 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i = 0 ⊢ hI.dpow i 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i = 0...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.dpow_comp_aux
[366, 1]
[483, 31]
exact hI.dpow_mem hi0 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i = 0 ⊢ hI.dpow i 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 : ∀ (n : ℕ), ∀ a ∈ I ⊓ J, hI.dpow n a = hJ.dpow n a m n : ℕ hn : n ≠ 0 a : A ha : a ∈ I b : A hb : b ∈ J i : ℕ a✝ : i ∈ range (n + 1) hi0 : ¬i =...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
simp only [Ring.inverse]
A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ⊢ Ring.inverse (C a) = C (Ring.inverse a)
A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0)
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ⊢ Ring.inverse (C a) = C (Ring.inverse a) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
by_cases ha : IsUnit a
A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0)
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0) case neg A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 ...
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
simp only [dif_pos ha]
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0)
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C ↑ha.unit⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C (if h : IsUnit a then ↑h.unit⁻¹ else 0) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
have hCa : IsUnit (C a) := by rw [← IsUnit.unit_spec ha] exact RingHom.isUnit_map C ha
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C ↑ha.unit⁻¹
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C ↑ha.unit⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C ↑ha.unit⁻¹ TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
rw [dif_pos hCa]
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C ↑ha.unit⁻¹
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ = C ↑ha.unit⁻¹
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ (if h : IsUnit (C a) then ↑h.unit⁻¹ else 0) = C ↑ha.unit⁻¹ TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
apply IsUnit.mul_right_cancel hCa
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ = C ↑ha.unit⁻¹
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ * C a = C ↑ha.unit⁻¹ * C a
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ = C ↑ha.unit⁻¹ TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
rw [← map_mul]
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ * C a = C ↑ha.unit⁻¹ * C a
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ * C a = C (↑ha.unit⁻¹ * a)
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ * C a = C ↑ha.unit⁻¹ * C a TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
simp only [IsUnit.val_inv_mul, map_one]
case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ * C a = C (↑ha.unit⁻¹ * a)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case pos A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a hCa : IsUnit (C a) ⊢ ↑hCa.unit⁻¹ * C a = C (↑ha.unit⁻¹ * a) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
rw [← IsUnit.unit_spec ha]
A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ IsUnit (C a)
A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ IsUnit (C ↑ha.unit)
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ IsUnit (C a) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/IdealAdd.lean
DividedPowers.IdealAdd.Polynomial.inv_C_eq_C_inv
[490, 1]
[511, 31]
exact RingHom.isUnit_map C ha
A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ IsUnit (C ↑ha.unit)
no goals
Please generate a tactic in lean4 to solve the state. STATE: A : Type ?u.83499 inst✝¹ : CommRing A I : Ideal A hI : DividedPowers I R : Type u_1 inst✝ : CommSemiring R a : R ha : IsUnit a ⊢ IsUnit (C ↑ha.unit) TACTIC: