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https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.dp_mul
[213, 1]
[216, 31]
simp only [dp_def, ← _root_.map_mul, ← map_nsmul]
R : Type u_1 M : Type u_2 inst✝² : CommRing R inst✝¹ : AddCommMonoid M inst✝ : Module R M n p : ℕ m : M ⊢ dp R n m * dp R p m = (n + p).choose n • dp R (n + p) m
R : Type u_1 M : Type u_2 inst✝² : CommRing R inst✝¹ : AddCommMonoid M inst✝ : Module R M n p : ℕ m : M ⊢ (mkAlgHom R (Rel R M)) (X (n, m)) * (mkAlgHom R (Rel R M)) (X (p, m)) = (n + p).choose n • (mkAlgHom R (Rel R M)) (X (n + p, m))
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 M : Type u_2 inst✝² : CommRing R inst✝¹ : AddCommMonoid M inst✝ : Module R M n p : ℕ m : M ⊢ dp R n m * dp R p m = (n + p).choose n • dp R (n + p) m TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.dp_add
[219, 1]
[224, 31]
simp only [dp_def]
R : Type u_1 M : Type u_2 inst✝² : CommRing R inst✝¹ : AddCommMonoid M inst✝ : Module R M n : ℕ x y : M ⊢ dp R n (x + y) = ∑ k ∈ range (n + 1), dp R k x * dp R (n - k) y
R : Type u_1 M : Type u_2 inst✝² : CommRing R inst✝¹ : AddCommMonoid M inst✝ : Module R M n : ℕ x y : M ⊢ (mkAlgHom R (Rel R M)) (X (n, x + y)) = ∑ x_1 ∈ range (n + 1), (mkAlgHom R (Rel R M)) (X (x_1, x)) * (mkAlgHom R (Rel R M)) (X (n - x_1, y))
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 M : Type u_2 inst✝² : CommRing R inst✝¹ : AddCommMonoid M inst✝ : Module R M n : ℕ x y : M ⊢ dp R n (x + y) = ∑ k ∈ range (n + 1), dp R k x * dp R (n - k) y TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.ext_iff
[247, 1]
[257, 54]
constructor
R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ f = g ↔ ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m)
case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ f = g → ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m) case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommM...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ f = g ↔ ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.ext_iff
[247, 1]
[257, 54]
. intro h n m rw [h]
case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ f = g → ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m) case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommM...
case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ (∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m)) → f = g
Please generate a tactic in lean4 to solve the state. STATE: case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ f = g → ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m) case mpr R ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.ext_iff
[247, 1]
[257, 54]
. intro h rw [FunLike.ext'_iff] apply Function.Surjective.injective_comp_right (mkAlgHom_surjective R (Rel R M)) simp only [← AlgHom.coe_comp, ← FunLike.ext'_iff] exact MvPolynomial.algHom_ext fun ⟨n, m⟩ => h n m
case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ (∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m)) → f = g
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ (∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m)) → f = g TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.ext_iff
[247, 1]
[257, 54]
intro h n m
case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ f = g → ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m)
case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A h : f = g n : ℕ m : M ⊢ f (dp R n m) = g (dp R n m)
Please generate a tactic in lean4 to solve the state. STATE: case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ f = g → ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.ext_iff
[247, 1]
[257, 54]
rw [h]
case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A h : f = g n : ℕ m : M ⊢ f (dp R n m) = g (dp R n m)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case mp R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A h : f = g n : ℕ m : M ⊢ f (dp R n m) = g (dp R n m) TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.ext_iff
[247, 1]
[257, 54]
intro h
case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ (∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m)) → f = g
case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A h : ∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m) ⊢ f = g
Please generate a tactic in lean4 to solve the state. STATE: case mpr R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A f g : DividedPowerAlgebra R M →ₐ[R] A ⊢ (∀ (n : ℕ) (m : M), f (dp R n m) = g (dp R n m)) → f = g TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.lift'_imp
[292, 1]
[304, 17]
cases' h with a r n a m n a n a b <;> simp only [eval₂AlgHom_X', map_one, map_zero, map_smul, AlgHom.map_mul, map_nsmul, AlgHom.map_sum]
R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m) hf_mul : ∀ (n p : ℕ) (m : M), f (n, m) * f (p, m) = (n + p)...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.lift'AlgHom_apply
[317, 1]
[325, 6]
rw [mk, lift', RingQuot.liftAlgHom_mkAlgHom_apply, coe_eval₂AlgHom]
R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m) hf_mul : ∀ (n p : ℕ) (m : M), f (n, m) * f (p, m) = (n + p)...
R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m) hf_mul : ∀ (n p : ℕ) (m : M), f (n, m) * f (p, m) = (n + p)...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.lift'AlgHom_apply_dp
[329, 1]
[335, 80]
rw [dp_def, ← mk, lift'AlgHom_apply f hf_zero hf_smul hf_mul hf_add, aeval_X]
R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m) hf_mul : ∀ (n p : ℕ) (m : M), f (n, m) * f (p, m) = (n + p)...
R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m) hf_mul : ∀ (n p : ℕ) (m : M), f (n, m) * f (p, m) = (n + p)...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_3 M : Type u_1 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_2 inst✝¹ : CommRing A inst✝ : Algebra R A f : ℕ × M → A hf_zero : ∀ (m : M), f (0, m) = 1 hf_smul : ∀ (n : ℕ) (r : R) (m : M), f (n, r • m) = r ^ n • f (n, m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.liftAlgHom_apply
[360, 1]
[363, 34]
rw [lift, lift'AlgHom_apply]
R : Type u_1 M : Type u_2 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_3 inst✝¹ : CommRing A inst✝ : Algebra R A I : Ideal A hI : DividedPowers I φ : M →ₗ[R] A hφ : ∀ (m : M), φ m ∈ I p : MvPolynomial (ℕ × M) R ⊢ (lift hI φ hφ) (mk p) = (aeval fun nm => hI.dpow nm.1 (φ nm.2)) p
no goals
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 M : Type u_2 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_3 inst✝¹ : CommRing A inst✝ : Algebra R A I : Ideal A hI : DividedPowers I φ : M →ₗ[R] A hφ : ∀ (m : M), φ m ∈ I p : MvPolynomial (ℕ × M) R ⊢ (lift hI φ hφ) ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.liftAlgHom_apply_dp
[373, 1]
[375, 34]
rw [lift, lift'AlgHom_apply_dp]
R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A I : Ideal A hI : DividedPowers I φ : M →ₗ[R] A hφ : ∀ (m : M), φ m ∈ I n : ℕ m : M ⊢ (lift hI φ hφ) (dp R n m) = hI.dpow n (φ m)
no goals
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_2 M : Type u_3 inst✝⁴ : CommRing R inst✝³ : AddCommMonoid M inst✝² : Module R M A : Type u_1 inst✝¹ : CommRing A inst✝ : Algebra R A I : Ideal A hI : DividedPowers I φ : M →ₗ[R] A hφ : ∀ (m : M), φ m ∈ I n : ℕ m : M ⊢ (lift hI φ hφ) (dp R n m) = hI...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.LinearMap.dp_smul
[425, 1]
[429, 44]
rw [f.map_smul, algebra_compatible_smul S r (f a)]
R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹ : Algebra R (DividedPowerAlgebra S N) inst✝ : IsScalarTower ...
R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹ : Algebra R (DividedPowerAlgebra S N) inst✝ : IsScalarTower ...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.LinearMap.dp_smul
[425, 1]
[429, 44]
rw [DividedPowerAlgebra.dp_smul S ((algebraMap R S) r) n (f a)]
R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹ : Algebra R (DividedPowerAlgebra S N) inst✝ : IsScalarTower ...
R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹ : Algebra R (DividedPowerAlgebra S N) inst✝ : IsScalarTower ...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.LinearMap.dp_smul
[425, 1]
[429, 44]
rw [← map_pow, ← algebra_compatible_smul]
R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹ : Algebra R (DividedPowerAlgebra S N) inst✝ : IsScalarTower ...
R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹ : Algebra R (DividedPowerAlgebra S N) inst✝ : IsScalarTower ...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
unused_files/Init_copy.lean
DividedPowerAlgebra.LinearMap.dp_add
[435, 1]
[438, 43]
rw [map_add, DividedPowerAlgebra.dp_add]
R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹ : Algebra R (DividedPowerAlgebra S N) inst✝ : IsScalarTower ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_4 M : Type u_3 inst✝¹⁰ : CommRing R inst✝⁹ : AddCommMonoid M inst✝⁸ : Module R M S : Type u_1 inst✝⁷ : CommRing S inst✝⁶ : Algebra R S N : Type u_2 inst✝⁵ : AddCommMonoid N inst✝⁴ : Module R N inst✝³ : Module S N inst✝² : IsScalarTower R S N inst✝¹...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Submodule.sup_restrictScalars
[41, 1]
[44, 85]
apply Submodule.toAddSubmonoid_injective
R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : Module R M inst✝ : IsScalarTower A R M M₁ M₂ : Submodule R M ...
case a R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : Module R M inst✝ : IsScalarTower A R M M₁ M₂ : Submodu...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Submodule.sup_restrictScalars
[41, 1]
[44, 85]
simp only [Submodule.toAddSubmonoid_restrictScalars, Submodule.sup_toAddSubmonoid]
case a R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : Module R M inst✝ : IsScalarTower A R M M₁ M₂ : Submodu...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case a R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M in...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Submodule.codisjoint_restrictScalars_iff
[46, 1]
[49, 100]
simp only [codisjoint_iff, ← Submodule.sup_restrictScalars, Submodule.restrictScalars_eq_top_iff]
R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : Module R M inst✝ : IsScalarTower A R M M₁ M₂ : Submodule R M ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Submodule.disjoint_restrictScalars_iff
[51, 1]
[54, 68]
simp only [Submodule.disjoint_def, Submodule.restrictScalars_mem]
R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : Module R M inst✝ : IsScalarTower A R M M₁ M₂ : Submodule R M ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Submodule.isCompl_restrictScalars_iff
[56, 1]
[58, 108]
simp only [isCompl_iff, Submodule.disjoint_restrictScalars_iff, Submodule.codisjoint_restrictScalars_iff]
R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : Module R M inst✝ : IsScalarTower A R M M₁ M₂ : Submodule R M ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁹ : CommRing R✝ A✝ : Type u_2 inst✝⁸ : CommRing A✝ inst✝⁷ : Algebra R✝ A✝ J : Ideal A✝ A : Type u_3 inst✝⁶ : CommSemiring A R : Type u_4 inst✝⁵ : Ring R inst✝⁴ : Algebra A R M : Type u_5 inst✝³ : AddCommGroup M inst✝² : Module A M inst✝¹ : ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.ker_lTensor_of_linearProjOfIsCompl
[73, 1]
[81, 56]
rw [← exact_iff]
R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ ker (lTensor Q (M₁.linearProjOfIsCompl M₂ hM)) = range (lTensor Q...
R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ Function.Exact ⇑(lTensor Q M₂.subtype) ⇑(lTensor Q (M₁.linearProj...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ ker ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.ker_lTensor_of_linearProjOfIsCompl
[73, 1]
[81, 56]
apply lTensor_exact
R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ Function.Exact ⇑(lTensor Q M₂.subtype) ⇑(lTensor Q (M₁.linearProj...
case hfg R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ Function.Exact ⇑M₂.subtype ⇑(M₁.linearProjOfIsCompl M₂ h...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ Func...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.ker_lTensor_of_linearProjOfIsCompl
[73, 1]
[81, 56]
simp only [exact_iff, range_subtype, linearProjOfIsCompl_ker]
case hfg R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ Function.Exact ⇑M₂.subtype ⇑(M₁.linearProjOfIsCompl M₂ h...
case hg R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ Function.Surjective ⇑(M₁.linearProjOfIsCompl M₂ hM)
Please generate a tactic in lean4 to solve the state. STATE: case hfg R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.ker_lTensor_of_linearProjOfIsCompl
[73, 1]
[81, 56]
simp only [← range_eq_top, linearProjOfIsCompl_range]
case hg R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ Function.Surjective ⇑(M₁.linearProjOfIsCompl M₂ hM)
no goals
Please generate a tactic in lean4 to solve the state. STATE: case hg R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.ker_baseChange_of_linearProjOfIsCompl
[83, 1]
[88, 73]
simpa only [← exact_iff] using ker_lTensor_of_linearProjOfIsCompl hM R
R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ ker (baseChange R (M₁.linearProjOfIsCompl M₂ hM)) = range (baseCh...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ ker ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
have hq : M₁.subtype.comp (linearProjOfIsCompl _ _ hM) + M₂.subtype.comp (linearProjOfIsCompl _ _ hM.symm) = id := by ext x simp only [add_apply, coe_comp, coeSubtype, Function.comp_apply, id_coe, id_eq] rw [linear_proj_add_linearProjOfIsCompl_eq_self]
R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ IsCompl (range (lTensor Q M₁.subtype)) (range (lTensor Q M₂.subty...
R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂.subtype ∘ₗ M₂....
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ IsCo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
apply IsCompl.mk
R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂.subtype ∘ₗ M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
ext x
R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂.subtype ∘ₗ M₂.lin...
case h R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q x : M ⊢ (M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂.sub...
Please generate a tactic in lean4 to solve the state. STATE: R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q ⊢ M₁.s...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
simp only [add_apply, coe_comp, coeSubtype, Function.comp_apply, id_coe, id_eq]
case h R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q x : M ⊢ (M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂.sub...
case h R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q x : M ⊢ ↑((M₁.linearProjOfIsCompl M₂ hM) x) + ↑((M₂.linearPr...
Please generate a tactic in lean4 to solve the state. STATE: case h R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [linear_proj_add_linearProjOfIsCompl_eq_self]
case h R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q x : M ⊢ ↑((M₁.linearProjOfIsCompl M₂ hM) x) + ↑((M₂.linearPr...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [disjoint_def]
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
intro x h h'
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [← id_apply x (R := A), ← lTensor_id, ← hq]
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
simp only [lTensor_add, lTensor_comp, LinearMap.add_apply, LinearMap.coe_comp, Function.comp_apply]
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [← ker_lTensor_of_linearProjOfIsCompl hM Q] at h'
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [← ker_lTensor_of_linearProjOfIsCompl hM.symm Q] at h
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [mem_ker] at h h'
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
simp only [h', _root_.map_zero, h, add_zero]
case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M₂....
no goals
Please generate a tactic in lean4 to solve the state. STATE: case disjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Mod...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [codisjoint_iff]
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
Please generate a tactic in lean4 to solve the state. STATE: case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : M...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [eq_top_iff]
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
Please generate a tactic in lean4 to solve the state. STATE: case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : M...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
intro x _
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
Please generate a tactic in lean4 to solve the state. STATE: case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : M...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
rw [← lTensor_id_apply Q _ x, ← hq]
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
Please generate a tactic in lean4 to solve the state. STATE: case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : M...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
simp only [lTensor_add, lTensor_comp, add_apply, coe_comp, Function.comp_apply]
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
Please generate a tactic in lean4 to solve the state. STATE: case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : M...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_lTensor
[90, 1]
[119, 53]
exact Submodule.add_mem _ (mem_sup_left (LinearMap.mem_range_self _ _)) (mem_sup_right (LinearMap.mem_range_self _ _))
case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : Module A Q hq : M₁.subtype ∘ₗ M₁.linearProjOfIsCompl M₂ hM + M...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case codisjoint R : Type u_1 inst✝⁶ : CommRing R A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ Q : Type u_4 inst✝¹ : AddCommGroup Q inst✝ : M...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_baseChange
[121, 1]
[127, 29]
rw [← isCompl_restrictScalars_iff A]
R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ IsCompl (range (baseChange R M₁.subtype)) (range (baseChange R M₂...
R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ IsCompl (Submodule.restrictScalars A (range (baseChange R M₁.subt...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ IsCo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
LinearMap.isCompl_baseChange
[121, 1]
[127, 29]
exact isCompl_lTensor hM R
R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ IsCompl (Submodule.restrictScalars A (range (baseChange R M₁.subt...
no goals
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A M : Type u_3 inst✝³ : AddCommGroup M inst✝² : Module A M M₁ M₂ : Submodule A M hM : IsCompl M₁ M₂ R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ IsCo...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
ext x
R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ Subalgebra.toSubmodule ⊥ = LinearMap.range (LinearMap.baseChange R (Subalgebra.toSubmodule ⊥).subtype)
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ x ∈ Subalgebra.toSubmodule ⊥ ↔ x ∈ LinearMap.range (LinearMap.baseChange R (Subalgebra.to...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ Subalgebra.toSubmodule ⊥ = LinearMap.range (Line...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp only [Subalgebra.mem_toSubmodule, Algebra.mem_bot]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ x ∈ Subalgebra.toSubmodule ⊥ ↔ x ∈ LinearMap.range (LinearMap.baseChange R (Subalgebra.to...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ x ∈ Set.range ⇑(algebraMap R (R ⊗[A] S)) ↔ x ∈ LinearMap.range (LinearMap.baseChange ...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ x ∈ Subalgebra.toSubmodule ⊥...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp only [Set.mem_range, LinearMap.mem_range]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ x ∈ Set.range ⇑(algebraMap R (R ⊗[A] S)) ↔ x ∈ LinearMap.range (LinearMap.baseChange ...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (algebraMap R (R ⊗[A] S)) y = x) ↔ ∃ y, (LinearMap.baseChange R (Subalgebra.toSubmo...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ x ∈ Set.range ⇑(algebraMap R...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
constructor
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (algebraMap R (R ⊗[A] S)) y = x) ↔ ∃ y, (LinearMap.baseChange R (Subalgebra.toSubmo...
case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (algebraMap R (R ⊗[A] S)) y = x) → ∃ y, (LinearMap.baseChange R (Subalgebra.toSu...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (algebraMap R (R ⊗[A] ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
rintro ⟨y, rfl⟩
case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (algebraMap R (R ⊗[A] S)) y = x) → ∃ y, (LinearMap.baseChange R (Subalgebra.toSu...
case h.mp.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S y : R ⊢ ∃ y_1, (LinearMap.baseChange R (Subalgebra.toSubmodule ⊥).subtype) y_1 = (algebraMap R ...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (algebraMap R (R ⊗[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
exact ⟨y ⊗ₜ[A] ⟨1, (Subalgebra.mem_toSubmodule ⊥).mpr (one_mem ⊥)⟩, rfl⟩
case h.mp.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S y : R ⊢ ∃ y_1, (LinearMap.baseChange R (Subalgebra.toSubmodule ⊥).subtype) y_1 = (algebraMap R ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S y : R ⊢ ∃ y_1, (LinearMap.baseChan...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
rintro ⟨y, rfl⟩
case h.mpr R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (LinearMap.baseChange R (Subalgebra.toSubmodule ⊥).subtype) y = x) → ∃ y, (alge...
case h.mpr.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) ⊢ ∃ y_1, (algebraMap R (R ⊗[A] S)) y_1 = (LinearMap.bas...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x : R ⊗[A] S ⊢ (∃ y, (LinearMap.baseCha...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
induction y using TensorProduct.induction_on with | zero => use 0 simp only [zero_tmul, LinearMap.map_zero] simp | tmul r s => rcases s with ⟨s, hs⟩ simp only [Subalgebra.mem_toSubmodule] at hs obtain ⟨a, rfl⟩ := hs use a • r simp only [Algebra.TensorProduct.algebraMap_apply, Algebra.id.map_eq_id, RingH...
case h.mpr.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) ⊢ ∃ y_1, (algebraMap R (R ⊗[A] S)) y_1 = (LinearMap.bas...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S y : R ⊗[A] ↥(Subalgebra.toSubmodu...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
use 0
case h.mpr.intro.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ ∃ y, (algebraMap R (R ⊗[A] S)) y = (LinearMap.baseChange R (Subalgebra.toSubmodule ⊥).s...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ (algebraMap R (R ⊗[A] S)) 0 = (LinearMap.baseChange R (Subalgebra.toSubmodule ⊥).subtype) 0
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ ∃ y, (algebraMap R (R ⊗[A]...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp only [zero_tmul, LinearMap.map_zero]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ (algebraMap R (R ⊗[A] S)) 0 = (LinearMap.baseChange R (Subalgebra.toSubmodule ⊥).subtype) 0
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ (algebraMap R (R ⊗[A] S)) 0 = 0
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ (algebraMap R (R ⊗[A] S)) 0 = (LinearMap....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ (algebraMap R (R ⊗[A] S)) 0 = 0
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S ⊢ (algebraMap R (R ⊗[A] S)) 0 = 0 TACTIC:
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
rcases s with ⟨s, hs⟩
case h.mpr.intro.tmul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : ↥(Subalgebra.toSubmodule ⊥) ⊢ ∃ y, (algebraMap R (R ⊗[A] S)) y = (LinearMap.bas...
case h.mpr.intro.tmul.mk R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : S hs : s ∈ Subalgebra.toSubmodule ⊥ ⊢ ∃ y, (algebraMap R (R ⊗[A] S)) y = (Li...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.tmul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : ↥(Subalgebra.toSub...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp only [Subalgebra.mem_toSubmodule] at hs
case h.mpr.intro.tmul.mk R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : S hs : s ∈ Subalgebra.toSubmodule ⊥ ⊢ ∃ y, (algebraMap R (R ⊗[A] S)) y = (Li...
case h.mpr.intro.tmul.mk R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : S hs✝ : s ∈ Subalgebra.toSubmodule ⊥ hs : s ∈ ⊥ ⊢ ∃ y, (algebraMap R (R ⊗[A]...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.tmul.mk R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : S hs : s ∈ Suba...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
obtain ⟨a, rfl⟩ := hs
case h.mpr.intro.tmul.mk R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : S hs✝ : s ∈ Subalgebra.toSubmodule ⊥ hs : s ∈ ⊥ ⊢ ∃ y, (algebraMap R (R ⊗[A]...
case h.mpr.intro.tmul.mk.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ ∃ y, (a...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.tmul.mk R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R s : S hs✝ : s ∈ Sub...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
use a • r
case h.mpr.intro.tmul.mk.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ ∃ y, (a...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ (algebraMap R (R ⊗[A] S)) (a • r) =...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.tmul.mk.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (o...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp only [Algebra.TensorProduct.algebraMap_apply, Algebra.id.map_eq_id, RingHom.id_apply, toRingHom_eq_coe, coe_coe, baseChange_tmul, coeSubtype]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ (algebraMap R (R ⊗[A] S)) (a • r) =...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ (a • r) ⊗ₜ[A] 1 = r ⊗ₜ[A] (ofId A S...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp only [smul_tmul]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ (a • r) ⊗ₜ[A] 1 = r ⊗ₜ[A] (ofId A S...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ r ⊗ₜ[A] (a • 1) = r ⊗ₜ[A] (ofId A S...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
rw [Algebra.ofId_apply, Algebra.algebraMap_eq_smul_one]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ Subalgebra.toSubmodule ⊥ ⊢ r ⊗ₜ[A] (a • 1) = r ⊗ₜ[A] (ofId A S...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S r : R a : A hs : (ofId A S).toRingHom a ∈ S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
obtain ⟨x', hx⟩ := hx
case h.mpr.intro.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) hx : ∃ y, (algebraMap R (R ⊗[A] S)) y = (LinearMa...
case h.mpr.intro.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) hy : ∃ y_1, (algebraMap R (R ⊗[A] S)) y_1 =...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toS...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
obtain ⟨y', hy⟩ := hy
case h.mpr.intro.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) hy : ∃ y_1, (algebraMap R (R ⊗[A] S)) y_1 =...
case h.mpr.intro.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) x' : R hx : (algebraMap R (R ⊗[A] S))...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgeb...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
use x' + y'
case h.mpr.intro.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) x' : R hx : (algebraMap R (R ⊗[A] S))...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) x' : R hx : (algebraMap R (R ⊗[A] S)) x' = (LinearMap.baseChang...
Please generate a tactic in lean4 to solve the state. STATE: case h.mpr.intro.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Su...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.baseChange_bot
[129, 1]
[157, 44]
simp only [add_tmul, hx, hy, map_add]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) x' : R hx : (algebraMap R (R ⊗[A] S)) x' = (LinearMap.baseChang...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A R : Type u_3 S : Type u_4 inst✝³ : CommRing R inst✝² : Algebra A R inst✝¹ : CommRing S inst✝ : Algebra A S x y : R ⊗[A] ↥(Subalgebra.toSubmodule ⊥) x'...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
ext x
R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ Submodule.restrictScalars R (Ideal.map includeRight I) = LinearMap.range (LinearMap.baseChang...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Submodule.restrictScalars R (Ideal.map includeRight I) ↔ x ∈ LinearMa...
Please generate a tactic in lean4 to solve the state. STATE: R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R ⊢ Submodule.restrictScalars R (Ideal.m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
simp only [restrictScalars_mem, LinearMap.mem_range]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Submodule.restrictScalars R (Ideal.map includeRight I) ↔ x ∈ LinearMa...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Ideal.map includeRight I ↔ ∃ y, (LinearMap.baseChange R (Submodule.restri...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Submodule.re...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
constructor
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Ideal.map includeRight I ↔ ∃ y, (LinearMap.baseChange R (Submodule.restri...
case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Ideal.map includeRight I → ∃ y, (LinearMap.baseChange R (Submodule.res...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Ideal.map in...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
intro hx
case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Ideal.map includeRight I → ∃ y, (LinearMap.baseChange R (Submodule.res...
case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ ∃ y, (LinearMap.baseChange R (Submodule....
Please generate a tactic in lean4 to solve the state. STATE: case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S ⊢ x ∈ Ideal.map...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
apply Submodule.span_induction hx (p := fun x ↦ ∃ y, (LinearMap.baseChange R (Submodule.restrictScalars A I).subtype) y = x )
case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ ∃ y, (LinearMap.baseChange R (Submodule....
case h.mp.mem R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ ∀ x ∈ ⇑includeRight '' ↑I, ∃ y, (Lin...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
rintro x ⟨s, hs, rfl⟩
case h.mp.mem R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ ∀ x ∈ ⇑includeRight '' ↑I, ∃ y, (Lin...
case h.mp.mem.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I s : S hs : s ∈ ↑I ⊢ ∃ y, (...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.mem R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Id...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use 1 ⊗ₜ[A] ⟨s, hs⟩
case h.mp.mem.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I s : S hs : s ∈ ↑I ⊢ ∃ y, (...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I s : S hs : s ∈ ↑I ⊢ (LinearMap.baseChange R (...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.mem.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
rfl
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I s : S hs : s ∈ ↑I ⊢ (LinearMap.baseChange R (...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use 0
case h.mp.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ ∃ y, (LinearMap.baseChange R (Submo...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ (LinearMap.baseChange R (Submodule.restrict...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ I...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
simp only [_root_.map_zero]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ (LinearMap.baseChange R (Submodule.restrict...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
rintro _ _ ⟨x, rfl⟩ ⟨y, rfl⟩
case h.mp.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ ∀ (x y : R ⊗[A] S), (∃ y, (Linea...
case h.mp.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx : x✝ ∈ Ideal.map includeRight I x y : R ⊗[A] ↥(Submodule...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Id...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use x + y
case h.mp.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx : x✝ ∈ Ideal.map includeRight I x y : R ⊗[A] ↥(Submodule...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx : x✝ ∈ Ideal.map includeRight I x y : R ⊗[A] ↥(Submodule.restrictScalars A ...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
simp only [map_add]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx : x✝ ∈ Ideal.map includeRight I x y : R ⊗[A] ↥(Submodule.restrictScalars A ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx : x✝ ∈ Ideal.m...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
rintro a _ ⟨x, rfl⟩
case h.mp.smul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I ⊢ ∀ (a x : R ⊗[A] S), (∃ y, (Line...
case h.mp.smul.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S x : R ⊗[A] ↥(Sub...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ I...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
induction x using TensorProduct.induction_on with | zero => use 0; simp only [_root_.map_zero, smul_eq_mul, mul_zero] | tmul r s => induction a using TensorProduct.induction_on with | zero => use 0 simp only [_root_.map_zero, baseChange_tmul, coeSubtype, smul_eq_mul, zero_mul] | tmul u v => use (u * r...
case h.mp.smul.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S x : R ⊗[A] ↥(Sub...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use 0
case h.mp.smul.intro.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I a : R ⊗[A] S ⊢ ∃ y, (L...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I a : R ⊗[A] S ⊢ (LinearMap.baseChange R (Submo...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
simp only [_root_.map_zero, smul_eq_mul, mul_zero]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I a : R ⊗[A] S ⊢ (LinearMap.baseChange R (Submo...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
induction a using TensorProduct.induction_on with | zero => use 0 simp only [_root_.map_zero, baseChange_tmul, coeSubtype, smul_eq_mul, zero_mul] | tmul u v => use (u * r) ⊗ₜ[A] (v • s) simp only [baseChange_tmul, coeSubtype, smul_eq_mul, Algebra.TensorProduct.tmul_mul_tmul] rw [Submodule.coe_smul, smul_e...
case h.mp.smul.intro.tmul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I a : R ⊗[A] S r : R s : ↥(S...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.tmul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use 0
case h.mp.smul.intro.tmul.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I) ⊢ ...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.tmul.zero R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
simp only [_root_.map_zero, baseChange_tmul, coeSubtype, smul_eq_mul, zero_mul]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I) ⊢ ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use (u * r) ⊗ₜ[A] (v • s)
case h.mp.smul.intro.tmul.tmul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I) u ...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.tmul.tmul R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
simp only [baseChange_tmul, coeSubtype, smul_eq_mul, Algebra.TensorProduct.tmul_mul_tmul]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I) u ...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I) u ...
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
rw [Submodule.coe_smul, smul_eq_mul]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I) u ...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
obtain ⟨x, hx⟩ := hu
case h.mp.smul.intro.tmul.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[A] S hx : x ∈ Ideal.map includeRight I r : R s : ↥(Submodule....
case h.mp.smul.intro.tmul.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I r : R s : ↥(S...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.tmul.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x : R ⊗[...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
obtain ⟨y, hy⟩ := hv
case h.mp.smul.intro.tmul.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I r : R s : ↥(S...
case h.mp.smul.intro.tmul.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I r : R s...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.tmul.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use x + y
case h.mp.smul.intro.tmul.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I r : R s...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I)...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.tmul.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
rw [LinearMap.map_add, add_smul, hx, hy]
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I r : R s : ↥(Submodule.restrictScalars A I)...
no goals
Please generate a tactic in lean4 to solve the state. STATE: case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal....
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
obtain ⟨x', hx⟩ := hx
case h.mp.smul.intro.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S x y : R ⊗[A...
case h.mp.smul.intro.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S x y :...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.add R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
obtain ⟨y', hy⟩ := hy
case h.mp.smul.intro.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S x y :...
case h.mp.smul.intro.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.add.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ...
https://github.com/AntoineChambert-Loir/DividedPowers4.git
18a13603ed0158d2880b6b0b0369d78417040a1d
DividedPowers/ForMathlib/RingTheory/AugmentationIdeal.lean
Algebra.TensorProduct.map_includeRight_eq_range_baseChange
[159, 1]
[209, 34]
use x' + y'
case h.mp.smul.intro.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S...
case h R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x✝ : R ⊗[A] S hx✝ : x✝ ∈ Ideal.map includeRight I a : R ⊗[A] S x y x' : R ⊗[A] ↥(Submodule.r...
Please generate a tactic in lean4 to solve the state. STATE: case h.mp.smul.intro.add.intro.intro R✝ : Type u_1 inst✝⁶ : CommRing R✝ A : Type u_2 inst✝⁵ : CommRing A inst✝⁴ : Algebra R✝ A J : Ideal A S : Type u_3 inst✝³ : CommRing S inst✝² : Algebra A S I : Ideal S R : Type u_4 inst✝¹ : CommRing R inst✝ : Algebra A R x...