mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.RingTheory.Ideal.MinimalPrime.Basic

Goal state before:
pp: case mp
R : Type u_1
inst✝ : CommSemiring R
I : Ideal R
hI : I.IsPrimary
J : Ideal R
⊢ J ∈ I.minimalPrimes → J ∈ {I.radical}

pp: case mpr
R : Type u_1
inst✝ : CommSemiring R
I : Ideal R
hI : I.IsPrimary
J : Ideal R
⊢ J ∈ {I.radical} → J ∈ I.minimalPrimes

Tactic:
· intro H
    have le := H.out.isPrime.radical_le_iff.mpr H.le
    exact (H.2 ⟨Ideal.isPrime_radical hI, Ideal.le_radical⟩ le).antisymm le

Goal state after:
case mpr
R : Type u_1
inst✝ : CommSemiring R
I : Ideal R
hI : I.IsPrimary
J : Ideal R
⊢ J ∈ {I.radical} → J ∈ I.minimalPrimes
Module: Mathlib.RingTheory.Ideal.Quotient.Nilpotent

Goal state before:
pp: R : Type u_2
inst✝¹ : CommRing R
S : Type u_2
inst✝ : CommRing S
I : Ideal S
e : I ^ 2 = ⊥
x : S
H : IsUnit ((Ideal.Quotient.mk I) x)
y : S
hy : (Ideal.Quotient.mk I) y = ↑H.unit⁻¹
⊢ (Ideal.Quotient.mk I) (x * y) = 1

Tactic:
map_mul,

Goal state after:
R : Type u_2
inst✝¹ : CommRing R
S : Type u_2
inst✝ : CommRing S
I : Ideal S
e : I ^ 2 = ⊥
x : S
H : IsUnit ((Ideal.Quotient.mk I) x)
y : S
hy : (Ideal.Quotient.mk I) y = ↑H.unit⁻¹
⊢ (Ideal.Quotient.mk I) x * (Ideal.Quotient.mk I) y = 1
Module: Mathlib.Algebra.Module.LocalizedModule.Submodule

Goal state before:
pp: R : Type u_1
S : Type u_2
M : Type u_3
N : Type u_4
inst✝¹⁷ : CommSemiring R
inst✝¹⁶ : CommSemiring S
inst✝¹⁵ : AddCommMonoid M
inst✝¹⁴ : AddCommMonoid N
inst✝¹³ : Module R M
inst✝¹² : Module R N
inst✝¹¹ : Algebra R S
inst✝¹⁰ : Module S N
inst✝⁹ : IsScalarTower R S N
p : Submonoid R
inst✝⁸ : IsLocalization p S
f : M →ₗ[R] N
inst✝⁷ : IsLocalizedModule p f
M' M'' : Submodule R M
P : Type u_5
inst✝⁶ : AddCommMonoid P
inst✝⁵ : Module R P
Q : Type u_6
inst✝⁴ : AddCommMonoid Q
inst✝³ : Module R Q
inst✝² : Module S Q
inst✝¹ : IsScalarTower R S Q
f' : P →ₗ[R] Q
inst✝ : IsLocalizedModule p f'
g : M →ₗ[R] P
x : M
hx : x ∈ g.ker
⊢ f x ∈ ((IsLocalizedModule.map p f f') g).ker

Tactic:
by simp [mem_ker, mem_ker.mp hx]

Goal state after:
Module: Mathlib.RingTheory.Localization.Ideal

Goal state before:
pp: case a
R : Type u_1
inst✝ : CommSemiring R
S : Finset R
hS : Ideal.span ↑S = ⊤
I : Ideal R
⊢ I ≤ ⨅ f ∈ S, Ideal.under R (Ideal.map (algebraMap R (Localization.Away f)) I)

Tactic:
simp only [le_iInf₂_iff, ← Ideal.map_le_iff_le_comap, le_refl, implies_true]

Goal state after:
Module: Mathlib.RingTheory.Localization.LocalizationLocalization

Goal state before:
pp: R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
y : ↥(localizationLocalizationSubmodule M N)
y' : ↥N
z : ↥M
eq : (algebraMap R S) ↑y = ↑y' * (algebraMap R S) ↑z
⊢ IsUnit ((algebraMap S T) (↑y' * (algebraMap R S) ↑z))

Tactic:
map_mul,

Goal state after:
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
y : ↥(localizationLocalizationSubmodule M N)
y' : ↥N
z : ↥M
eq : (algebraMap R S) ↑y = ↑y' * (algebraMap R S) ↑z
⊢ IsUnit ((algebraMap S T) ↑y' * (algebraMap S T) ((algebraMap R S) ↑z))
Module: Mathlib.RingTheory.Localization.LocalizationLocalization

Goal state before:
pp: case refine_1
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x : T
y : S
s : ↥N
eq₁ : x * (algebraMap S T) ↑s = (algebraMap S T) y
z : R
t : ↥M
eq₂ : y * (algebraMap R S) ↑t = (algebraMap R S) z
z' : R
t' : ↥M
eq₃ : ↑s * (algebraMap R S) ↑t' = (algebraMap R S) z'
⊢ (algebraMap R S) (z' * ↑t) = ↑s * (algebraMap R S) ↑(t * t')

Tactic:
map_mul,

Goal state after:
case refine_1
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x : T
y : S
s : ↥N
eq₁ : x * (algebraMap S T) ↑s = (algebraMap S T) y
z : R
t : ↥M
eq₂ : y * (algebraMap R S) ↑t = (algebraMap R S) z
z' : R
t' : ↥M
eq₃ : ↑s * (algebraMap R S) ↑t' = (algebraMap R S) z'
⊢ (algebraMap R S) z' * (algebraMap R S) ↑t = ↑s * (algebraMap R S) ↑(t * t')
Module: Mathlib.RingTheory.Flat.Localization

Goal state before:
pp: R : Type u_1
S : Type u_2
inst✝¹¹ : CommSemiring R
inst✝¹⁰ : CommSemiring S
inst✝⁹ : Algebra R S
M : Type u_3
inst✝⁸ : AddCommMonoid M
inst✝⁷ : Module R M
inst✝⁶ : Module S M
inst✝⁵ : IsScalarTower R S M
s : Set S
spn : Ideal.span s = ⊤
Mₛ : ↑s → Type u_5
inst✝⁴ : (r : ↑s) → AddCommMonoid (Mₛ r)
inst✝³ : (r : ↑s) → Module R (Mₛ r)
inst✝² : (r : ↑s) → Module S (Mₛ r)
inst✝¹ : ∀ (r : ↑s), IsScalarTower R S (Mₛ r)
g : (r : ↑s) → M →ₗ[S] Mₛ r
inst✝ : ∀ (r : ↑s), IsLocalizedModule.Away (↑r) (g r)
H : ∀ (r : ↑s), Flat R (Mₛ r)
⊢ Flat R M

Tactic:
by
  simp_rw [Flat.iff_lTensor_injectiveₛ] at H ⊢
  simp_rw [← AlgebraTensorModule.coe_lTensor (A := S)]
  refine fun _ _ _ N ↦ injective_of_isLocalized_span s spn _
    (fun r ↦ AlgebraTensorModule.rTensor R _ (g r)) _
    (fun r ↦ AlgebraTensorModule.rTensor R _ (g r)) _ fun r ↦ ?_
  simpa [IsLocalizedModule.map_lTensor] using H r N

Goal state after:
Module: Mathlib.RingTheory.Localization.LocalizationLocalization

Goal state before:
pp: case refine_1
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
this : (algebraMap R S) (x * z') = (algebraMap R S) (y * z')
c : ↥M
eq₃ : ↑c * (x * z') = ↑c * (y * z')
⊢ (algebraMap R S) (↑c * z') = ↑z * (algebraMap R S) ↑(c * s)

Tactic:
map_mul,

Goal state after:
case refine_1
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
this : (algebraMap R S) (x * z') = (algebraMap R S) (y * z')
c : ↥M
eq₃ : ↑c * (x * z') = ↑c * (y * z')
⊢ (algebraMap R S) ↑c * (algebraMap R S) z' = ↑z * (algebraMap R S) ↑(c * s)
Module: Mathlib.RingTheory.Localization.LocalizationLocalization

Goal state before:
pp: case refine_1
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
this : (algebraMap R S) (x * z') = (algebraMap R S) (y * z')
c : ↥M
eq₃ : ↑c * (x * z') = ↑c * (y * z')
⊢ (algebraMap R S) ↑c * (↑z * (algebraMap R S) ↑s) = ↑z * (algebraMap R S) (↑c * ↑s)

Tactic:
map_mul,

Goal state after:
case refine_1
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
this : (algebraMap R S) (x * z') = (algebraMap R S) (y * z')
c : ↥M
eq₃ : ↑c * (x * z') = ↑c * (y * z')
⊢ (algebraMap R S) ↑c * (↑z * (algebraMap R S) ↑s) = ↑z * ((algebraMap R S) ↑c * (algebraMap R S) ↑s)
Module: Mathlib.RingTheory.Localization.LocalizationLocalization

Goal state before:
pp: case refine_2
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
this : (algebraMap R S) (x * z') = (algebraMap R S) (y * z')
c : ↥M
eq₃ : ↑c * (x * z') = ↑c * (y * z')
⊢ ↑⟨↑c * z', ⋯⟩ * x = ↑⟨↑c * z', ⋯⟩ * y

Tactic:
rwa [mul_comm _ z', mul_comm _ z', ← mul_assoc, ← mul_assoc] at eq₃

Goal state after:
Module: Mathlib.RingTheory.Localization.LocalizationLocalization

Goal state before:
pp: R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
⊢ (algebraMap R S) (x * z') = (algebraMap R S) (y * z')

Tactic:
map_mul,

Goal state after:
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
⊢ (algebraMap R S) x * (algebraMap R S) z' = (algebraMap R S) (y * z')
Module: Mathlib.RingTheory.Localization.LocalizationLocalization

Goal state before:
pp: R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
⊢ (algebraMap R S) x * (algebraMap R S) z' = (algebraMap R S) (y * z')

Tactic:
map_mul,

Goal state after:
R : Type u_1
inst✝⁸ : CommSemiring R
M : Submonoid R
S : Type u_2
inst✝⁷ : CommSemiring S
inst✝⁶ : Algebra R S
N : Submonoid S
T : Type u_3
inst✝⁵ : CommSemiring T
inst✝⁴ : Algebra R T
inst✝³ : Algebra S T
inst✝² : IsScalarTower R S T
inst✝¹ : IsLocalization M S
inst✝ : IsLocalization N T
x y : R
z : ↥N
eq₁ : ↑z * (algebraMap R S) x = ↑z * (algebraMap R S) y
z' : R
s : ↥M
eq₂ : ↑z * (algebraMap R S) ↑s = (algebraMap R S) z'
⊢ (algebraMap R S) x * (algebraMap R S) z' = (algebraMap R S) y * (algebraMap R S) z'
Module: Mathlib.RingTheory.EssentialFiniteness

Goal state before:
pp: case surj
R : Type u_1
S : Type u_2
inst✝² : CommRing R
inst✝¹ : CommRing S
inst✝ : Algebra R S
σ : Finset S
hσ : ∀ (s : S), ∃ t ∈ adjoin R ↑σ, IsUnit t ∧ s * t ∈ adjoin R ↑σ
⊢ ∀ (z : S), ∃ x, z * (algebraMap (↥(adjoin R ↑σ)) S) ↑x.2 = (algebraMap (↥(adjoin R ↑σ)) S) x.1

Tactic:
intro s
      obtain ⟨t, ht, ht', h⟩ := hσ s
      exact ⟨⟨⟨_, h⟩, ⟨t, ht⟩, ht'⟩, rfl⟩

Goal state after:
Module: Mathlib.RingTheory.TensorProduct.Quotient

Goal state before:
pp: A : Type u_1
B : Type u_2
inst✝² : CommRing A
inst✝¹ : CommRing B
inst✝ : Algebra A B
I : Ideal A
x : A
⊢ ((quotIdealMapEquivTensorQuot B I).toRingEquiv.trans (TensorProduct.comm A B (A ⧸ I)).toRingEquiv).toFun
      ((algebraMap A (B ⧸ Ideal.map (algebraMap A B) I)) x) =
    (algebraMap A ((A ⧸ I) ⊗[A] B)) x

Tactic:
by
      suffices Algebra.TensorProduct.comm A B (A ⧸ I) (quotIdealMapEquivTensorQuot B I
        (Ideal.Quotient.mk (I.map (algebraMap A B)) (algebraMap A B x))) =
          (algebraMap A (TensorProduct A (A ⧸ I) B)) x by simpa
      rw [quotIdealMapEquivTensorQuot_mk, tmul_one_eq_one_tmul]
      simp

Goal state after:
Module: Mathlib.RingTheory.Localization.AtPrime.Basic

Goal state before:
pp: case h
R✝ : Type u_1
inst✝¹⁸ : CommSemiring R✝
S✝ : Type u_2
inst✝¹⁷ : CommSemiring S✝
inst✝¹⁶ : Algebra R✝ S✝
P✝ : Type u_3
inst✝¹⁵ : CommSemiring P✝
p✝ : Ideal R✝
inst✝¹⁴ : p✝.IsPrime
Rₚ✝ : Type u_4
inst✝¹³ : CommSemiring Rₚ✝
inst✝¹² : Algebra R✝ Rₚ✝
inst✝¹¹ : IsLocalization.AtPrime Rₚ✝ p✝
inst✝¹⁰ : IsLocalRing Rₚ✝
Sₚ : Type u_5
inst✝⁹ : CommSemiring Sₚ
inst✝⁸ : Algebra S✝ Sₚ
inst✝⁷ : IsLocalization (algebraMapSubmonoid S✝ p✝.primeCompl) Sₚ
inst✝⁶ : Algebra Rₚ✝ Sₚ
P : Ideal S✝
S : Type u_6
R : Type u_7
inst✝⁵ : CommRing R
p : Ideal R
inst✝⁴ : p.IsMaximal
Rₚ : Type u_8
inst✝³ : CommRing Rₚ
inst✝² : Algebra R Rₚ
inst✝¹ : IsLocalization.AtPrime Rₚ p
inst✝ : IsLocalRing Rₚ
x : R
s : ↥p.primeCompl
s' : R
hs : (Ideal.Quotient.mk p) s' = ((Ideal.Quotient.mk p) ↑s)⁻¹
this : (algebraMap R Rₚ) ↑s ∉ maximalIdeal Rₚ
⊢ (Ideal.Quotient.mk p) (x * (↑s * s')) - (Ideal.Quotient.mk p) x = 0

Tactic:
map_mul,

Goal state after:
case h
R✝ : Type u_1
inst✝¹⁸ : CommSemiring R✝
S✝ : Type u_2
inst✝¹⁷ : CommSemiring S✝
inst✝¹⁶ : Algebra R✝ S✝
P✝ : Type u_3
inst✝¹⁵ : CommSemiring P✝
p✝ : Ideal R✝
inst✝¹⁴ : p✝.IsPrime
Rₚ✝ : Type u_4
inst✝¹³ : CommSemiring Rₚ✝
inst✝¹² : Algebra R✝ Rₚ✝
inst✝¹¹ : IsLocalization.AtPrime Rₚ✝ p✝
inst✝¹⁰ : IsLocalRing Rₚ✝
Sₚ : Type u_5
inst✝⁹ : CommSemiring Sₚ
inst✝⁸ : Algebra S✝ Sₚ
inst✝⁷ : IsLocalization (algebraMapSubmonoid S✝ p✝.primeCompl) Sₚ
inst✝⁶ : Algebra Rₚ✝ Sₚ
P : Ideal S✝
S : Type u_6
R : Type u_7
inst✝⁵ : CommRing R
p : Ideal R
inst✝⁴ : p.IsMaximal
Rₚ : Type u_8
inst✝³ : CommRing Rₚ
inst✝² : Algebra R Rₚ
inst✝¹ : IsLocalization.AtPrime Rₚ p
inst✝ : IsLocalRing Rₚ
x : R
s : ↥p.primeCompl
s' : R
hs : (Ideal.Quotient.mk p) s' = ((Ideal.Quotient.mk p) ↑s)⁻¹
this : (algebraMap R Rₚ) ↑s ∉ maximalIdeal Rₚ
⊢ (Ideal.Quotient.mk p) x * (Ideal.Quotient.mk p) (↑s * s') - (Ideal.Quotient.mk p) x = 0
Module: Mathlib.RingTheory.Localization.AtPrime.Basic

Goal state before:
pp: case h
R✝ : Type u_1
inst✝¹⁸ : CommSemiring R✝
S✝ : Type u_2
inst✝¹⁷ : CommSemiring S✝
inst✝¹⁶ : Algebra R✝ S✝
P✝ : Type u_3
inst✝¹⁵ : CommSemiring P✝
p✝ : Ideal R✝
inst✝¹⁴ : p✝.IsPrime
Rₚ✝ : Type u_4
inst✝¹³ : CommSemiring Rₚ✝
inst✝¹² : Algebra R✝ Rₚ✝
inst✝¹¹ : IsLocalization.AtPrime Rₚ✝ p✝
inst✝¹⁰ : IsLocalRing Rₚ✝
Sₚ : Type u_5
inst✝⁹ : CommSemiring Sₚ
inst✝⁸ : Algebra S✝ Sₚ
inst✝⁷ : IsLocalization (algebraMapSubmonoid S✝ p✝.primeCompl) Sₚ
inst✝⁶ : Algebra Rₚ✝ Sₚ
P : Ideal S✝
S : Type u_6
R : Type u_7
inst✝⁵ : CommRing R
p : Ideal R
inst✝⁴ : p.IsMaximal
Rₚ : Type u_8
inst✝³ : CommRing Rₚ
inst✝² : Algebra R Rₚ
inst✝¹ : IsLocalization.AtPrime Rₚ p
inst✝ : IsLocalRing Rₚ
x : R
s : ↥p.primeCompl
s' : R
hs : (Ideal.Quotient.mk p) s' = ((Ideal.Quotient.mk p) ↑s)⁻¹
this : (algebraMap R Rₚ) ↑s ∉ maximalIdeal Rₚ
⊢ (Ideal.Quotient.mk p) x * (Ideal.Quotient.mk p) (↑s * s') - (Ideal.Quotient.mk p) x = 0

Tactic:
map_mul,

Goal state after:
case h
R✝ : Type u_1
inst✝¹⁸ : CommSemiring R✝
S✝ : Type u_2
inst✝¹⁷ : CommSemiring S✝
inst✝¹⁶ : Algebra R✝ S✝
P✝ : Type u_3
inst✝¹⁵ : CommSemiring P✝
p✝ : Ideal R✝
inst✝¹⁴ : p✝.IsPrime
Rₚ✝ : Type u_4
inst✝¹³ : CommSemiring Rₚ✝
inst✝¹² : Algebra R✝ Rₚ✝
inst✝¹¹ : IsLocalization.AtPrime Rₚ✝ p✝
inst✝¹⁰ : IsLocalRing Rₚ✝
Sₚ : Type u_5
inst✝⁹ : CommSemiring Sₚ
inst✝⁸ : Algebra S✝ Sₚ
inst✝⁷ : IsLocalization (algebraMapSubmonoid S✝ p✝.primeCompl) Sₚ
inst✝⁶ : Algebra Rₚ✝ Sₚ
P : Ideal S✝
S : Type u_6
R : Type u_7
inst✝⁵ : CommRing R
p : Ideal R
inst✝⁴ : p.IsMaximal
Rₚ : Type u_8
inst✝³ : CommRing Rₚ
inst✝² : Algebra R Rₚ
inst✝¹ : IsLocalization.AtPrime Rₚ p
inst✝ : IsLocalRing Rₚ
x : R
s : ↥p.primeCompl
s' : R
hs : (Ideal.Quotient.mk p) s' = ((Ideal.Quotient.mk p) ↑s)⁻¹
this : (algebraMap R Rₚ) ↑s ∉ maximalIdeal Rₚ
⊢ (Ideal.Quotient.mk p) x * ((Ideal.Quotient.mk p) ↑s * (Ideal.Quotient.mk p) s') - (Ideal.Quotient.mk p) x = 0
Module: Mathlib.RingTheory.Localization.AtPrime.Basic

Goal state before:
pp: R : Type u_7
inst✝⁵ : CommRing R
p : Ideal R
inst✝⁴ : p.IsMaximal
Rₚ : Type u_8
inst✝³ : CommRing Rₚ
inst✝² : Algebra R Rₚ
inst✝¹ : IsLocalization.AtPrime Rₚ p
inst✝ : IsLocalRing Rₚ
x : R
s : ↥p.primeCompl
h₁ : (Ideal.Quotient.mk p) ↑s ≠ 0
h₂ : (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) ↑s) ≠ 0
⊢ (Ideal.Quotient.mk (maximalIdeal Rₚ)) (mk' Rₚ x s) * (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) ↑s) =
    (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) x * ((Ideal.Quotient.mk p) ↑s)⁻¹) *
      (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) ↑s)

Tactic:
map_mul,

Goal state after:
R : Type u_7
inst✝⁵ : CommRing R
p : Ideal R
inst✝⁴ : p.IsMaximal
Rₚ : Type u_8
inst✝³ : CommRing Rₚ
inst✝² : Algebra R Rₚ
inst✝¹ : IsLocalization.AtPrime Rₚ p
inst✝ : IsLocalRing Rₚ
x : R
s : ↥p.primeCompl
h₁ : (Ideal.Quotient.mk p) ↑s ≠ 0
h₂ : (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) ↑s) ≠ 0
⊢ (Ideal.Quotient.mk (maximalIdeal Rₚ)) (mk' Rₚ x s) * (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) ↑s) =
    (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) x) * (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) ↑s)⁻¹ *
      (equivQuotMaximalIdeal p Rₚ) ((Ideal.Quotient.mk p) ↑s)
Module: Mathlib.RingTheory.Localization.AtPrime.Basic

Goal state before:
pp: case refine_1
S : Type u_6
R : Type u_7
inst✝⁸ : CommRing R
p : Ideal R
inst✝⁷ : p.IsMaximal
Sₚ : Type u_9
inst✝⁶ : CommRing S
inst✝⁵ : Algebra R S
inst✝⁴ : CommRing Sₚ
inst✝³ : Algebra S Sₚ
inst✝² : Algebra R Sₚ
inst✝¹ : IsLocalization (algebraMapSubmonoid S p.primeCompl) Sₚ
inst✝ : IsScalarTower R S Sₚ
x : S
hx : x ∈ comap (algebraMap S Sₚ) (Ideal.map (algebraMap S Sₚ) pS)
α : R
hα : α ∉ p
hαx : α • x ∈ pS
β : R
hβ : (Ideal.Quotient.mk p) β = ((Ideal.Quotient.mk p) α)⁻¹
⊢ (Ideal.Quotient.mk p) (β * α) - 1 = 0

Tactic:
map_mul,

Goal state after:
case refine_1
S : Type u_6
R : Type u_7
inst✝⁸ : CommRing R
p : Ideal R
inst✝⁷ : p.IsMaximal
Sₚ : Type u_9
inst✝⁶ : CommRing S
inst✝⁵ : Algebra R S
inst✝⁴ : CommRing Sₚ
inst✝³ : Algebra S Sₚ
inst✝² : Algebra R Sₚ
inst✝¹ : IsLocalization (algebraMapSubmonoid S p.primeCompl) Sₚ
inst✝ : IsScalarTower R S Sₚ
x : S
hx : x ∈ comap (algebraMap S Sₚ) (Ideal.map (algebraMap S Sₚ) pS)
α : R
hα : α ∉ p
hαx : α • x ∈ pS
β : R
hβ : (Ideal.Quotient.mk p) β = ((Ideal.Quotient.mk p) α)⁻¹
⊢ (Ideal.Quotient.mk p) β * (Ideal.Quotient.mk p) α - 1 = 0
Module: Mathlib.LinearAlgebra.Matrix.MvPolynomial

Goal state before:
pp: m : Type u_1
R : Type u_3
inst✝² : DecidableEq m
inst✝¹ : Fintype m
inst✝ : CommRing R
s : m × m → R
⊢ (MvPolynomial.eval s) (mvPolynomialX m m R).det = (of fun i j ↦ s (i, j)).det

Tactic:
rw [(MvPolynomial.eval s).map_det]
  congr 1
  ext i j
  simp [mvPolynomialX]

Goal state after:
Module: Mathlib.RingTheory.Localization.AtPrime.Basic

Goal state before:
pp: case refine_1
R✝ : Type u_1
inst✝²⁷ : CommSemiring R✝
S✝ : Type u_2
inst✝²⁶ : CommSemiring S✝
inst✝²⁵ : Algebra R✝ S✝
P✝ : Type u_3
inst✝²⁴ : CommSemiring P✝
p✝ : Ideal R✝
inst✝²³ : p✝.IsPrime
Rₚ✝ : Type u_4
inst✝²² : CommSemiring Rₚ✝
inst✝²¹ : Algebra R✝ Rₚ✝
inst✝²⁰ : IsLocalization.AtPrime Rₚ✝ p✝
inst✝¹⁹ : IsLocalRing Rₚ✝
Sₚ✝ : Type u_5
inst✝¹⁸ : CommSemiring Sₚ✝
inst✝¹⁷ : Algebra S✝ Sₚ✝
inst✝¹⁶ : IsLocalization (algebraMapSubmonoid S✝ p✝.primeCompl) Sₚ✝
inst✝¹⁵ : Algebra Rₚ✝ Sₚ✝
P : Ideal S✝
S : Type u_6
R : Type u_7
inst✝¹⁴ : CommRing R
p : Ideal R
inst✝¹³ : p.IsMaximal
Rₚ : Type u_8
inst✝¹² : CommRing Rₚ
inst✝¹¹ : Algebra R Rₚ
inst✝¹⁰ : IsLocalization.AtPrime Rₚ p
inst✝⁹ : IsLocalRing Rₚ
Sₚ : Type u_9
inst✝⁸ : CommRing S
inst✝⁷ : Algebra R S
inst✝⁶ : CommRing Sₚ
inst✝⁵ : Algebra S Sₚ
inst✝⁴ : Algebra R Sₚ
inst✝³ : Algebra Rₚ Sₚ
inst✝² : IsLocalization (algebraMapSubmonoid S p.primeCompl) Sₚ
inst✝¹ : IsScalarTower R S Sₚ
inst✝ : IsScalarTower R Rₚ Sₚ
h : failed to pretty print expression (use 'set_option pp.rawOnError true' for raw representation)
x : S
s : ↥(algebraMapSubmonoid S p.primeCompl)
α : R
hα : α ∉ p
e : (algebraMap R S) α = ↑s
β : R
hβ : (Ideal.Quotient.mk p) β = ((Ideal.Quotient.mk p) α)⁻¹
⊢ (Ideal.Quotient.mk p) (α * β) - 1 = 0

Tactic:
map_mul,

Goal state after:
case refine_1
R✝ : Type u_1
inst✝²⁷ : CommSemiring R✝
S✝ : Type u_2
inst✝²⁶ : CommSemiring S✝
inst✝²⁵ : Algebra R✝ S✝
P✝ : Type u_3
inst✝²⁴ : CommSemiring P✝
p✝ : Ideal R✝
inst✝²³ : p✝.IsPrime
Rₚ✝ : Type u_4
inst✝²² : CommSemiring Rₚ✝
inst✝²¹ : Algebra R✝ Rₚ✝
inst✝²⁰ : IsLocalization.AtPrime Rₚ✝ p✝
inst✝¹⁹ : IsLocalRing Rₚ✝
Sₚ✝ : Type u_5
inst✝¹⁸ : CommSemiring Sₚ✝
inst✝¹⁷ : Algebra S✝ Sₚ✝
inst✝¹⁶ : IsLocalization (algebraMapSubmonoid S✝ p✝.primeCompl) Sₚ✝
inst✝¹⁵ : Algebra Rₚ✝ Sₚ✝
P : Ideal S✝
S : Type u_6
R : Type u_7
inst✝¹⁴ : CommRing R
p : Ideal R
inst✝¹³ : p.IsMaximal
Rₚ : Type u_8
inst✝¹² : CommRing Rₚ
inst✝¹¹ : Algebra R Rₚ
inst✝¹⁰ : IsLocalization.AtPrime Rₚ p
inst✝⁹ : IsLocalRing Rₚ
Sₚ : Type u_9
inst✝⁸ : CommRing S
inst✝⁷ : Algebra R S
inst✝⁶ : CommRing Sₚ
inst✝⁵ : Algebra S Sₚ
inst✝⁴ : Algebra R Sₚ
inst✝³ : Algebra Rₚ Sₚ
inst✝² : IsLocalization (algebraMapSubmonoid S p.primeCompl) Sₚ
inst✝¹ : IsScalarTower R S Sₚ
inst✝ : IsScalarTower R Rₚ Sₚ
h : failed to pretty print expression (use 'set_option pp.rawOnError true' for raw representation)
x : S
s : ↥(algebraMapSubmonoid S p.primeCompl)
α : R
hα : α ∉ p
e : (algebraMap R S) α = ↑s
β : R
hβ : (Ideal.Quotient.mk p) β = ((Ideal.Quotient.mk p) α)⁻¹
⊢ (Ideal.Quotient.mk p) α * (Ideal.Quotient.mk p) β - 1 = 0
Module: Mathlib.LinearAlgebra.Matrix.Transvection

Goal state before:
pp: case neg
n : Type u_1
R : Type u₂
inst✝² : DecidableEq n
inst✝¹ : CommRing R
i j : n
inst✝ : Finite n
c : R
val✝ : Fintype n
a b : n
ha : ¬i = a
⊢ updateRow 1 i (1 i + c • 1 j) a b = transvection i j c a b

Tactic:
· simp only [updateRow_ne, transvection, ha, Ne.symm ha, single_apply_of_ne, add_zero,
      Ne, not_false_iff,
      false_and, add_apply]

Goal state after: