mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.RingTheory.DedekindDomain.Instances

Goal state before:
pp: R : Type u_1
S : Type u_2
inst✝¹⁸ : CommRing R
inst✝¹⁷ : CommRing S
inst✝¹⁶ : IsDomain R
inst✝¹⁵ : IsDomain S
inst✝¹⁴ : Algebra R S
Rₘ : Type u_4
Sₘ : Type u_5
inst✝¹³ : CommRing Rₘ
inst✝¹² : CommRing Sₘ
inst✝¹¹ : Algebra R Rₘ
inst✝¹⁰ : IsTorsionFree R S
inst✝⁹ : Algebra.IsSeparable K L
M : Submonoid R
inst✝⁸ : IsLocalization M Rₘ
inst✝⁷ : Algebra Rₘ Sₘ
inst✝⁶ : Algebra S Sₘ
inst✝⁵ : Algebra R Sₘ
inst✝⁴ : IsScalarTower R Rₘ Sₘ
inst✝³ : IsScalarTower R S Sₘ
inst✝² : IsLocalization (algebraMapSubmonoid S M) Sₘ
inst✝¹ : Algebra (FractionRing Rₘ) (FractionRing Sₘ)
inst✝ : IsScalarTower Rₘ (FractionRing Rₘ) (FractionRing Sₘ)
hM : M ≤ R⁰
M' : Submonoid S := algebraMapSubmonoid S M
hM' : algebraMapSubmonoid S M ≤ S⁰
f₁ : Rₘ →+* K := IsLocalization.map K (RingHom.id R) hM
f₂ : Sₘ →+* L := IsLocalization.map L (RingHom.id S) hM'
algInst✝¹ : Algebra Rₘ K := f₁.toAlgebra
algInst✝ : Algebra Sₘ L := f₂.toAlgebra
this✝³ : IsScalarTower R Rₘ K
this✝² : IsScalarTower S Sₘ L
this✝¹ : IsFractionRing Rₘ K
this✝ : IsFractionRing Sₘ L
this : IsDomain Rₘ
x✝ : R
⊢ (((algebraMap (FractionRing Rₘ) (FractionRing Sₘ)).comp ↑(algEquiv Rₘ K).symm.toRingEquiv).comp (algebraMap R K)) x✝ =
    (((↑(algEquiv Sₘ L).symm.toRingEquiv).comp (algebraMap K L)).comp (algebraMap R K)) x✝

Tactic:
simp only [RingHom.coe_comp,
      RingHom.coe_coe, Function.comp_apply, ← algebraMap_apply]

Goal state after:
R : Type u_1
S : Type u_2
inst✝¹⁸ : CommRing R
inst✝¹⁷ : CommRing S
inst✝¹⁶ : IsDomain R
inst✝¹⁵ : IsDomain S
inst✝¹⁴ : Algebra R S
Rₘ : Type u_4
Sₘ : Type u_5
inst✝¹³ : CommRing Rₘ
inst✝¹² : CommRing Sₘ
inst✝¹¹ : Algebra R Rₘ
inst✝¹⁰ : IsTorsionFree R S
inst✝⁹ : Algebra.IsSeparable K L
M : Submonoid R
inst✝⁸ : IsLocalization M Rₘ
inst✝⁷ : Algebra Rₘ Sₘ
inst✝⁶ : Algebra S Sₘ
inst✝⁵ : Algebra R Sₘ
inst✝⁴ : IsScalarTower R Rₘ Sₘ
inst✝³ : IsScalarTower R S Sₘ
inst✝² : IsLocalization (algebraMapSubmonoid S M) Sₘ
inst✝¹ : Algebra (FractionRing Rₘ) (FractionRing Sₘ)
inst✝ : IsScalarTower Rₘ (FractionRing Rₘ) (FractionRing Sₘ)
hM : M ≤ R⁰
M' : Submonoid S := algebraMapSubmonoid S M
hM' : algebraMapSubmonoid S M ≤ S⁰
f₁ : Rₘ →+* K := IsLocalization.map K (RingHom.id R) hM
f₂ : Sₘ →+* L := IsLocalization.map L (RingHom.id S) hM'
algInst✝¹ : Algebra Rₘ K := f₁.toAlgebra
algInst✝ : Algebra Sₘ L := f₂.toAlgebra
this✝³ : IsScalarTower R Rₘ K
this✝² : IsScalarTower S Sₘ L
this✝¹ : IsFractionRing Rₘ K
this✝ : IsFractionRing Sₘ L
this : IsDomain Rₘ
x✝ : R
⊢ (algebraMap (FractionRing Rₘ) (FractionRing Sₘ)) ((algEquiv Rₘ K).symm.toRingEquiv ((algebraMap R K) x✝)) =
    (algEquiv Sₘ L).symm.toRingEquiv ((algebraMap R L) x✝)
Module: Mathlib.NumberTheory.NumberField.Discriminant.Different

Goal state before:
pp: case inr
K : Type u_1
𝒪 : Type u_2
inst✝⁷ : Field K
inst✝⁶ : NumberField K
inst✝⁵ : CommRing 𝒪
inst✝⁴ : Algebra 𝒪 K
inst✝³ : IsFractionRing 𝒪 K
inst✝² : IsDedekindDomain 𝒪
inst✝¹ : CharZero 𝒪
inst✝ : Module.Finite ℤ 𝒪
this : ↑(Ideal.absNorm (differentIdeal ℤ 𝒪)) ∈ differentIdeal ℤ 𝒪
h : discr K = -↑(discr K).natAbs
⊢ ↑(discr K) ∈ differentIdeal ℤ 𝒪

Tactic:
rwa [absNorm_differentIdeal K, ← Int.cast_natCast, Int.eq_neg_comm.mp h,
      Int.cast_neg, neg_mem_iff] at this

Goal state after:
Module: Mathlib.RingTheory.Ideal.Norm.RelNorm

Goal state before:
pp: case pos
R : Type u_1
inst✝¹⁴ : CommRing R
inst✝¹³ : IsDomain R
S : Type u_3
inst✝¹² : CommRing S
inst✝¹¹ : IsDomain S
inst✝¹⁰ : IsIntegrallyClosed R
inst✝⁹ : IsIntegrallyClosed S
inst✝⁸ : Algebra R S
inst✝⁷ : Module.Finite R S
inst✝⁶ : IsTorsionFree R S
inst✝⁵ : IsDedekindDomain R
inst✝⁴ : IsDedekindDomain S
inst✝³ : Free ℤ R
inst✝² : Free ℤ S
inst✝¹ : Module.Finite ℤ S
inst✝ : PerfectField (FractionRing R)
I : Ideal S
this : Module.Finite ℤ R
hI : I = ⊥
⊢ absNorm ((relNorm R) I) = absNorm I

pp: case neg
R : Type u_1
inst✝¹⁴ : CommRing R
inst✝¹³ : IsDomain R
S : Type u_3
inst✝¹² : CommRing S
inst✝¹¹ : IsDomain S
inst✝¹⁰ : IsIntegrallyClosed R
inst✝⁹ : IsIntegrallyClosed S
inst✝⁸ : Algebra R S
inst✝⁷ : Module.Finite R S
inst✝⁶ : IsTorsionFree R S
inst✝⁵ : IsDedekindDomain R
inst✝⁴ : IsDedekindDomain S
inst✝³ : Free ℤ R
inst✝² : Free ℤ S
inst✝¹ : Module.Finite ℤ S
inst✝ : PerfectField (FractionRing R)
I : Ideal S
this : Module.Finite ℤ R
hI : ¬I = ⊥
⊢ absNorm ((relNorm R) I) = absNorm I

Tactic:
· simp [hI]

Goal state after:
case neg
R : Type u_1
inst✝¹⁴ : CommRing R
inst✝¹³ : IsDomain R
S : Type u_3
inst✝¹² : CommRing S
inst✝¹¹ : IsDomain S
inst✝¹⁰ : IsIntegrallyClosed R
inst✝⁹ : IsIntegrallyClosed S
inst✝⁸ : Algebra R S
inst✝⁷ : Module.Finite R S
inst✝⁶ : IsTorsionFree R S
inst✝⁵ : IsDedekindDomain R
inst✝⁴ : IsDedekindDomain S
inst✝³ : Free ℤ R
inst✝² : Free ℤ S
inst✝¹ : Module.Finite ℤ S
inst✝ : PerfectField (FractionRing R)
I : Ideal S
this : Module.Finite ℤ R
hI : ¬I = ⊥
⊢ absNorm ((relNorm R) I) = absNorm I
Module: Mathlib.NumberTheory.NumberField.Cyclotomic.Basic

Goal state before:
pp: case refine_2
p k : ℕ
K : Type u
inst✝¹ : Field K
ζ : K
hp : Fact (Nat.Prime p)
inst✝ : CharZero K
hcycl : IsCyclotomicExtension {p ^ k} ℚ K
hζ : IsPrimitiveRoot ζ (p ^ k)
y : ↥ℤ[ζ]
⊢ IsIntegral ℤ ((algebraMap (↥ℤ[ζ]) K) y)

Tactic:
exact
      IsIntegral.algebraMap
        ((le_integralClosure_iff_isIntegral.1
          (adjoin_le_integralClosure (hζ.isIntegral (NeZero.pos _)))).isIntegral _)

Goal state after:
Module: Mathlib.RingTheory.Polynomial.Eisenstein.IsIntegral

Goal state before:
pp: A : Type u_1
B : Type u_2
inst✝⁴ : CommSemiring A
inst✝³ : Ring B
inst✝² : Algebra A B
inst✝¹ : IsDomain A
inst✝ : Module.IsTorsionFree A B
Q : A[X]
p : A
x z : B
hp : p ≠ 0
hz : ∑ i, Q.coeff ↑i • x ^ ↑i = p • z
f : ℕ → A
hf : ∀ i ∈ range (Q.natDegree + 1), Q.coeff i = p * f i
⊢ z ∈ A[x]

Tactic:
conv_lhs at hz =>
    congr
    next => skip
    ext i
    rw [hf i (mem_range.2 (Fin.is_lt i)), ← smul_smul]

Goal state after:
A : Type u_1
B : Type u_2
inst✝⁴ : CommSemiring A
inst✝³ : Ring B
inst✝² : Algebra A B
inst✝¹ : IsDomain A
inst✝ : Module.IsTorsionFree A B
Q : A[X]
p : A
x z : B
hp : p ≠ 0
f : ℕ → A
hz : ∑ i, p • f ↑i • x ^ ↑i = p • z
hf : ∀ i ∈ range (Q.natDegree + 1), Q.coeff i = p * f i
⊢ z ∈ A[x]
Module: Mathlib.RingTheory.DedekindDomain.Different

Goal state before:
pp: case pos
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I J : FractionalIdeal B⁰ L
hJ : J ≠ 0
hI : I = 0
⊢ I ≤ dual A K J ↔ I * J ≤ dual A K 1

pp: case neg
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I J : FractionalIdeal B⁰ L
hJ : J ≠ 0
hI : ¬I = 0
⊢ I ≤ dual A K J ↔ I * J ≤ dual A K 1

Tactic:
· simp [hI]

Goal state after:
case neg
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I J : FractionalIdeal B⁰ L
hJ : J ≠ 0
hI : ¬I = 0
⊢ I ≤ dual A K J ↔ I * J ≤ dual A K 1
Module: Mathlib.RingTheory.DedekindDomain.Different

Goal state before:
pp: case pos
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I : FractionalIdeal B⁰ L
hI : I = 0
⊢ (dual A K I)⁻¹ ≤ I

pp: case neg
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I : FractionalIdeal B⁰ L
hI : ¬I = 0
⊢ (dual A K I)⁻¹ ≤ I

Tactic:
· simp [hI]

Goal state after:
case neg
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I : FractionalIdeal B⁰ L
hI : ¬I = 0
⊢ (dual A K I)⁻¹ ≤ I
Module: Mathlib.RingTheory.DedekindDomain.Different

Goal state before:
pp: case pos
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I : FractionalIdeal B⁰ L
hI : I = 0
⊢ dual A K I = dual A K 1 * I⁻¹

pp: case neg
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I : FractionalIdeal B⁰ L
hI : ¬I = 0
⊢ dual A K I = dual A K 1 * I⁻¹

Tactic:
· simp [hI]

Goal state after:
case neg
A : Type u_1
K : Type u_2
L : Type u
B : Type u_3
inst✝¹⁸ : CommRing A
inst✝¹⁷ : Field K
inst✝¹⁶ : CommRing B
inst✝¹⁵ : Field L
inst✝¹⁴ : Algebra A K
inst✝¹³ : Algebra B L
inst✝¹² : Algebra A B
inst✝¹¹ : Algebra K L
inst✝¹⁰ : Algebra A L
inst✝⁹ : IsScalarTower A K L
inst✝⁸ : IsScalarTower A B L
inst✝⁷ : IsDomain A
inst✝⁶ : IsFractionRing A K
inst✝⁵ : FiniteDimensional K L
inst✝⁴ : Algebra.IsSeparable K L
inst✝³ : IsIntegralClosure B A L
inst✝² : IsFractionRing B L
inst✝¹ : IsIntegrallyClosed A
inst✝ : IsDedekindDomain B
I : FractionalIdeal B⁰ L
hI : ¬I = 0
⊢ dual A K I = dual A K 1 * I⁻¹
Module: Mathlib.NumberTheory.NumberField.Units.DirichletTheorem

Goal state before:
pp: case pos
K : Type u_1
inst✝¹ : Field K
inst✝ : NumberField K
x : (𝓞 K)ˣ
h : (logEmbedding K) (Additive.ofMul x) = 0
w : InfinitePlace K
hw : w = w₀
⊢ ∑ w, (logEmbedding K) (Additive.ofMul x) w = 0

Tactic:
sum_eq_zero

Goal state after:
case pos
K : Type u_1
inst✝¹ : Field K
inst✝ : NumberField K
x : (𝓞 K)ˣ
h : (logEmbedding K) (Additive.ofMul x) = 0
w : InfinitePlace K
hw : w = w₀
⊢ 0 = 0

case pos
K : Type u_1
inst✝¹ : Field K
inst✝ : NumberField K
x : (𝓞 K)ˣ
h : (logEmbedding K) (Additive.ofMul x) = 0
w : InfinitePlace K
hw : w = w₀
⊢ ∀ x_1 ∈ univ, (logEmbedding K) (Additive.ofMul x) x_1 = 0
Module: Mathlib.NumberTheory.NumberField.Units.DirichletTheorem

Goal state before:
pp: K : Type u_1
inst✝¹ : Field K
inst✝ : NumberField K
x✝ : (𝓞 K)ˣ
⊢ x✝ ∈ torsion K ↔ (AddMonoidHom.toMultiplicativeRight (logEmbedding K)) x✝ = 1

Tactic:
AddMonoidHom.toMultiplicativeRight_apply_apply,

Goal state after:
K : Type u_1
inst✝¹ : Field K
inst✝ : NumberField K
x✝ : (𝓞 K)ˣ
⊢ x✝ ∈ torsion K ↔ Multiplicative.ofAdd ((logEmbedding K) (Additive.ofMul x✝)) = 1
Module: Mathlib.NumberTheory.NumberField.Units.DirichletTheorem

Goal state before:
pp: K : Type u_1
inst✝¹ : Field K
inst✝ : NumberField K
⊢ finrank ℤ ↥(unitLattice K) = rank K

Tactic:
unitLattice_rank

Goal state after:
K : Type u_1
inst✝¹ : Field K
inst✝ : NumberField K
⊢ rank K = rank K
Module: Mathlib.NumberTheory.FactorisationProperties

Goal state before:
pp: case h.right
n : ℕ
⊢ n < 2 ^ (n + 1)

Tactic:
calc
      n ≤ 2 ^ n := Nat.le_of_lt n.lt_two_pow_self
      _ < 2 ^ (n + 1) := (Nat.pow_lt_pow_iff_right (Nat.one_lt_two)).mpr (lt_add_one n)

Goal state after:
Module: Mathlib.RingTheory.DedekindDomain.Different

Goal state before:
pp: case neg.refine_1
A : Type u_1
B : Type u_3
inst✝⁸ : CommRing A
inst✝⁷ : CommRing B
inst✝⁶ : Algebra A B
inst✝⁵ : IsDomain A
inst✝⁴ : IsDedekindDomain A
inst✝³ : IsDedekindDomain B
inst✝² : IsTorsionFree A B
inst✝¹ : Module.Finite A B
inst✝ : Algebra.IsSeparable (FractionRing A) (FractionRing B)
p : Ideal A
P Q : Ideal B
hP : P * Q = Ideal.map (algebraMap A B) p
x : B
hxQ : x ∈ Q
hx : (intTrace A B) x ∉ p
hp : ¬p = ⊥
this✝¹ : Algebra (A ⧸ p) (B ⧸ Q) := Ideal.Quotient.algebraQuotientOfLEComap ⋯
K : Type u_1 := FractionRing A
L : Type u_3 := FractionRing B
this✝ : IsLocalization (algebraMapSubmonoid B A⁰) L
this : FiniteDimensional K L
H : ↑Q ≤ FractionalIdeal.dual A K 1 * ↑(Ideal.map (algebraMap A B) p)
hne : 1 ≠ 0
⊢ ∀ i ∈ FractionalIdeal.dual A K 1, ∀ j ∈ ↑(Ideal.map (algebraMap A B) p), (Algebra.trace K L) (i * j) ∈ ↑p

Tactic:
rintro x hx _ ⟨y, hy, rfl⟩

Goal state after:
case neg.refine_1
A : Type u_1
B : Type u_3
inst✝⁸ : CommRing A
inst✝⁷ : CommRing B
inst✝⁶ : Algebra A B
inst✝⁵ : IsDomain A
inst✝⁴ : IsDedekindDomain A
inst✝³ : IsDedekindDomain B
inst✝² : IsTorsionFree A B
inst✝¹ : Module.Finite A B
inst✝ : Algebra.IsSeparable (FractionRing A) (FractionRing B)
p : Ideal A
P Q : Ideal B
hP : P * Q = Ideal.map (algebraMap A B) p
x✝ : B
hxQ : x✝ ∈ Q
hx✝ : (intTrace A B) x✝ ∉ p
hp : ¬p = ⊥
this✝¹ : Algebra (A ⧸ p) (B ⧸ Q) := Ideal.Quotient.algebraQuotientOfLEComap ⋯
K : Type u_1 := FractionRing A
L : Type u_3 := FractionRing B
this✝ : IsLocalization (algebraMapSubmonoid B A⁰) L
this : FiniteDimensional K L
H : ↑Q ≤ FractionalIdeal.dual A K 1 * ↑(Ideal.map (algebraMap A B) p)
hne : 1 ≠ 0
x : L
hx : x ∈ FractionalIdeal.dual A K 1
y : B
hy : y ∈ ↑(Ideal.map (algebraMap A B) p)
⊢ (Algebra.trace K L) (x * (Algebra.linearMap B L) y) ∈ ↑p
Module: Mathlib.NumberTheory.LegendreSymbol.QuadraticChar.GaussSum

Goal state before:
pp: case neg
F : Type u_1
inst✝¹ : Field F
inst✝ : Fintype F
hF : ¬ringChar F = 2
h : Fintype.card F % 2 = 1
⊢ (quadraticChar F) (-2) = 1 ↔ Fintype.card F % 8 ≠ 5 ∧ Fintype.card F % 8 ≠ 7

Tactic:
quadraticChar_neg_two hF,

Goal state after:
case neg
F : Type u_1
inst✝¹ : Field F
inst✝ : Fintype F
hF : ¬ringChar F = 2
h : Fintype.card F % 2 = 1
⊢ χ₈' ↑(Fintype.card F) = 1 ↔ Fintype.card F % 8 ≠ 5 ∧ Fintype.card F % 8 ≠ 7
Module: Mathlib.RingTheory.Ideal.NatInt

Goal state before:
pp: case refine_2
P : Ideal ℕ
h : P.IsPrime
h0 : ¬P = ⊥
hsp : ¬∃ p, Nat.Prime p ∧ P = span {p}
n : ℕ
hn : n ∈ maximalIdeal ℕ
⊢ n ∈ P

Tactic:
rw [← le_bot_iff, SetLike.not_le_iff_exists] at h0

Goal state after:
case refine_2
P : Ideal ℕ
h : P.IsPrime
h0 : ∃ x ∈ P, x ∉ ⊥
hsp : ¬∃ p, Nat.Prime p ∧ P = span {p}
n : ℕ
hn : n ∈ maximalIdeal ℕ
⊢ n ∈ P
Module: Mathlib.RingTheory.DedekindDomain.Different

Goal state before:
pp: case neg
A : Type u_1
B : Type u_3
inst✝¹¹ : CommRing A
inst✝¹⁰ : CommRing B
inst✝⁹ : Algebra A B
inst✝⁸ : IsDomain A
inst✝⁷ : IsDedekindDomain A
inst✝⁶ : IsDedekindDomain B
inst✝⁵ : IsTorsionFree A B
inst✝⁴ : Module.Finite A B
inst✝³ : Algebra.IsSeparable (FractionRing A) (FractionRing B)
p : Ideal A
inst✝² : p.IsMaximal
hp : p ≠ ⊥
P : Ideal B
inst✝¹ : P.IsMaximal
inst✝ : P.LiesOver p
H : ¬Algebra.IsSeparable (A ⧸ p) (B ⧸ P)
a : Ideal B
ha : Ideal.map (algebraMap A B) p = P * a
hPa : ¬P ∣ a
K : Type u_1 := FractionRing A
L : Type u_3 := FractionRing B
hp' : ¬Ideal.map (algebraMap A B) p = ⊥
habot : a ≠ ⊥
hPbot : P ≠ ⊥
x : B
hx : x ∈ a
⊢ (Ideal.Quotient.mk p) ((intTrace A B) x) = 0

Tactic:
← Algebra.trace_quotient_eq_of_isDedekindDomain

Goal state after:
case neg
A : Type u_1
B : Type u_3
inst✝¹¹ : CommRing A
inst✝¹⁰ : CommRing B
inst✝⁹ : Algebra A B
inst✝⁸ : IsDomain A
inst✝⁷ : IsDedekindDomain A
inst✝⁶ : IsDedekindDomain B
inst✝⁵ : IsTorsionFree A B
inst✝⁴ : Module.Finite A B
inst✝³ : Algebra.IsSeparable (FractionRing A) (FractionRing B)
p : Ideal A
inst✝² : p.IsMaximal
hp : p ≠ ⊥
P : Ideal B
inst✝¹ : P.IsMaximal
inst✝ : P.LiesOver p
H : ¬Algebra.IsSeparable (A ⧸ p) (B ⧸ P)
a : Ideal B
ha : Ideal.map (algebraMap A B) p = P * a
hPa : ¬P ∣ a
K : Type u_1 := FractionRing A
L : Type u_3 := FractionRing B
hp' : ¬Ideal.map (algebraMap A B) p = ⊥
habot : a ≠ ⊥
hPbot : P ≠ ⊥
x : B
hx : x ∈ a
⊢ (Algebra.trace (A ⧸ p) (B ⧸ Ideal.map (algebraMap A B) p)) ((Ideal.Quotient.mk (Ideal.map (algebraMap A B) p)) x) = 0
Module: Mathlib.NumberTheory.FLT.Three

Goal state before:
pp: case inr.inl.refine_3
K : Type u_1
inst✝² : Field K
ζ : K
hζ : IsPrimitiveRoot ζ 3
S' : Solution' hζ
inst✝¹ : NumberField K
inst✝ : IsCyclotomicExtension {3} ℚ K
h : λ ^ 2 ∣ S'.a + ↑η * S'.b
x✝ : λ ∣ ↑η * S'.b
x : 𝓞 K
hx : ↑η * S'.b = λ * x
⊢ S'.b = λ * (↑η ^ 2 * x)

Tactic:
mul_comm _ x,

Goal state after:
case inr.inl.refine_3
K : Type u_1
inst✝² : Field K
ζ : K
hζ : IsPrimitiveRoot ζ 3
S' : Solution' hζ
inst✝¹ : NumberField K
inst✝ : IsCyclotomicExtension {3} ℚ K
h : λ ^ 2 ∣ S'.a + ↑η * S'.b
x✝ : λ ∣ ↑η * S'.b
x : 𝓞 K
hx : ↑η * S'.b = λ * x
⊢ S'.b = λ * (x * ↑η ^ 2)
Module: Mathlib.NumberTheory.FLT.Three

Goal state before:
pp: case inr.inr.refine_3
K : Type u_1
inst✝² : Field K
ζ : K
hζ : IsPrimitiveRoot ζ 3
S' : Solution' hζ
inst✝¹ : NumberField K
inst✝ : IsCyclotomicExtension {3} ℚ K
h : λ ^ 2 ∣ S'.a + ↑η ^ 2 * S'.b
x✝ : λ ∣ ↑η ^ 2 * S'.b
x : 𝓞 K
hx : ↑η ^ 2 * S'.b = λ * x
⊢ S'.b = λ * (↑η * x)

Tactic:
mul_comm _ x,

Goal state after:
case inr.inr.refine_3
K : Type u_1
inst✝² : Field K
ζ : K
hζ : IsPrimitiveRoot ζ 3
S' : Solution' hζ
inst✝¹ : NumberField K
inst✝ : IsCyclotomicExtension {3} ℚ K
h : λ ^ 2 ∣ S'.a + ↑η ^ 2 * S'.b
x✝ : λ ∣ ↑η ^ 2 * S'.b
x : 𝓞 K
hx : ↑η ^ 2 * S'.b = λ * x
⊢ S'.b = λ * (x * ↑η)
Module: Mathlib.NumberTheory.Harmonic.Bounds

Goal state before:
pp: n : ℕ
⊢ 0 ∉ Set.uIcc 1 ↑(n + 1)

Tactic:
simp [(show ¬ (1 : ℝ) ≤ 0 by simp)]

Goal state after:
Module: Mathlib.NumberTheory.Harmonic.Bounds

Goal state before:
pp: case neg
n : ℕ
hn0 : ¬n = 0
hn : 1 ≤ n
⊢ ∑ x ∈ Finset.Icc 1 n, (↑x)⁻¹ ≤ 1 + Real.log ↑n

Tactic:
rw [← Finset.sum_erase_add (Finset.Icc 1 n) _ (Finset.left_mem_Icc.mpr hn), add_comm,
    Nat.cast_one, inv_one]

Goal state after:
case neg
n : ℕ
hn0 : ¬n = 0
hn : 1 ≤ n
⊢ 1 + ∑ x ∈ (Finset.Icc 1 n).erase 1, (↑x)⁻¹ ≤ 1 + Real.log ↑n
Module: Mathlib.NumberTheory.FermatPsp

Goal state before:
pp: case pos
b : ℕ
h : 1 ≤ b
m : ℕ
b_ge_two : 2 ≤ b
p : ℕ
hp₁ : b * (b ^ 2 - 1) + 1 + m ≤ p
hp₂ : Prime p
h₁ : 0 < b
h₂ : 4 ≤ b ^ 2
h₃ : 0 < b ^ 2 - 1
h₄ : 0 < b * (b ^ 2 - 1)
⊢ ∃ n, n.FermatPsp b ∧ m ≤ n

Tactic:
have h₅ : b * (b ^ 2 - 1) < p := by lia

Goal state after:
case pos
b : ℕ
h : 1 ≤ b
m : ℕ
b_ge_two : 2 ≤ b
p : ℕ
hp₁ : b * (b ^ 2 - 1) + 1 + m ≤ p
hp₂ : Prime p
h₁ : 0 < b
h₂ : 4 ≤ b ^ 2
h₃ : 0 < b ^ 2 - 1
h₄ : 0 < b * (b ^ 2 - 1)
h₅ : b * (b ^ 2 - 1) < p
⊢ ∃ n, n.FermatPsp b ∧ m ≤ n
Module: Mathlib.NumberTheory.FermatPsp

Goal state before:
pp: case neg
b : ℕ
h : 1 ≤ b
m : ℕ
b_ge_two : ¬2 ≤ b
h₁ : b = 1
⊢ ∃ n, n.FermatPsp b ∧ m ≤ n

Tactic:
rw [h₁]

Goal state after:
case neg
b : ℕ
h : 1 ≤ b
m : ℕ
b_ge_two : ¬2 ≤ b
h₁ : b = 1
⊢ ∃ n, n.FermatPsp 1 ∧ m ≤ n
Module: Mathlib.NumberTheory.FLT.Three

Goal state before:
pp: K : Type u_1
inst✝² : Field K
ζ : K
hζ : IsPrimitiveRoot ζ 3
S : Solution hζ
inst✝¹ : NumberField K
inst✝ : IsCyclotomicExtension {3} ℚ K
h : λ ∣ S.w
⊢ λ ^ (S.multiplicity + 1) ∣ S.c

Tactic:
rw [pow_succ', mul_comm]

Goal state after:
K : Type u_1
inst✝² : Field K
ζ : K
hζ : IsPrimitiveRoot ζ 3
S : Solution hζ
inst✝¹ : NumberField K
inst✝ : IsCyclotomicExtension {3} ℚ K
h : λ ∣ S.w
⊢ λ ^ S.multiplicity * λ ∣ S.c
Module: Mathlib.NumberTheory.FLT.Three

Goal state before:
pp: K : Type u_1
inst✝² : Field K
ζ : K
hζ : IsPrimitiveRoot ζ 3
S : Solution hζ
inst✝¹ : NumberField K
inst✝ : IsCyclotomicExtension {3} ℚ K
h₁ : IsCoprime (S.x * S.y) S.z
h₂ : Associated (S.w ^ 3) (S.x * S.y * S.z)
T : 𝓞 K
h₃ : Associated (T ^ 3) (S.x * S.y)
⊢ (∃ X, Associated (X ^ 3) S.x) ∧ (∃ Y, Associated (Y ^ 3) S.y) ∧ ∃ Z, Associated (Z ^ 3) S.z

Tactic:
exact ⟨exists_associated_pow_of_associated_pow_mul S.isCoprime_x_y h₃,
    exists_associated_pow_of_associated_pow_mul S.isCoprime_x_y.symm (mul_comm _ S.x ▸ h₃),
    exists_associated_pow_of_associated_pow_mul h₁.symm (mul_comm _ S.z ▸ h₂)⟩

Goal state after:
Module: Mathlib.NumberTheory.Harmonic.ZetaAsymp

Goal state before:
pp: n : ℕ
hn : 0 < n
hv : ∀ x ∈ uIcc (↑n) (↑n + 1), 0 < x
⊢ (∫ (x : ℝ) in ↑n..↑n + 1, 1 / x) - ∫ (x : ℝ) in ↑n..↑n + 1, ↑n * (1 / x ^ 2) =
    (∫ (x : ℝ) in ↑n..↑n + 1, 1 / x) - ↑n * ∫ (x : ℝ) in ↑n..↑n + 1, 1 / x ^ 2

Tactic:
intervalIntegral.integral_const_mul

Goal state after:
Module: Mathlib.NumberTheory.Harmonic.ZetaAsymp

Goal state before:
pp: n : ℕ
hn : 0 < n
s : ℝ
hs : 1 < s
hv : ∀ x ∈ uIcc (↑n) (↑n + 1), 0 < x
⊢ (∫ (x : ℝ) in ↑n..↑n + 1, x ^ (-s)) - ∫ (x : ℝ) in ↑n..↑n + 1, ↑n * x ^ (-(s + 1)) =
    (∫ (x : ℝ) in ↑n..↑n + 1, x ^ (-s)) - ↑n * ∫ (x : ℝ) in ↑n..↑n + 1, x ^ (-(s + 1))

pp: case hf
n : ℕ
hn : 0 < n
s : ℝ
hs : 1 < s
hv : ∀ x ∈ uIcc (↑n) (↑n + 1), 0 < x
⊢ IntervalIntegrable (fun x ↦ x ^ (-s)) volume (↑n) (↑n + 1)

pp: case hg
n : ℕ
hn : 0 < n
s : ℝ
hs : 1 < s
hv : ∀ x ∈ uIcc (↑n) (↑n + 1), 0 < x
⊢ IntervalIntegrable (fun x ↦ ↑n * x ^ (-(s + 1))) volume (↑n) (↑n + 1)

Tactic:
intervalIntegral.integral_const_mul

Goal state after:
n : ℕ
hn : 0 < n
s : ℝ
hs : 1 < s
hv : ∀ x ∈ uIcc (↑n) (↑n + 1), 0 < x
⊢ (∫ (x : ℝ) in ↑n..↑n + 1, x ^ (-s)) - ↑n * ∫ (x : ℝ) in ↑n..↑n + 1, x ^ (-(s + 1)) =
    (∫ (x : ℝ) in ↑n..↑n + 1, x ^ (-s)) - ↑n * ∫ (x : ℝ) in ↑n..↑n + 1, x ^ (-(s + 1))

case hf
n : ℕ
hn : 0 < n
s : ℝ
hs : 1 < s
hv : ∀ x ∈ uIcc (↑n) (↑n + 1), 0 < x
⊢ IntervalIntegrable (fun x ↦ x ^ (-s)) volume (↑n) (↑n + 1)

case hg
n : ℕ
hn : 0 < n
s : ℝ
hs : 1 < s
hv : ∀ x ∈ uIcc (↑n) (↑n + 1), 0 < x
⊢ IntervalIntegrable (fun x ↦ ↑n * x ^ (-(s + 1))) volume (↑n) (↑n + 1)
Module: Mathlib.NumberTheory.Height.MvPolynomial

Goal state before:
pp: case inr
K : Type u_1
inst✝³ : Field K
ι : Type u_2
ι' : Type u_3
inst✝² : Fintype ι
inst✝¹ : Finite ι'
inst✝ : AdmissibleAbsValues K
A : ι' × ι → K
x : ι → K
hι : Nonempty ι
⊢ log (mulHeight fun j ↦ ∑ i, A (j, i) * x i) ≤
    ↑(totalWeight K) * log ↑(Nat.card ι) + log (mulHeight A) + log (mulHeight x)

Tactic:
have : (Nat.card ι : ℝ) ^ totalWeight K ≠ 0 := by simp

Goal state after:
case inr
K : Type u_1
inst✝³ : Field K
ι : Type u_2
ι' : Type u_3
inst✝² : Fintype ι
inst✝¹ : Finite ι'
inst✝ : AdmissibleAbsValues K
A : ι' × ι → K
x : ι → K
hι : Nonempty ι
this : ↑(Nat.card ι) ^ totalWeight K ≠ 0
⊢ log (mulHeight fun j ↦ ∑ i, A (j, i) * x i) ≤
    ↑(totalWeight K) * log ↑(Nat.card ι) + log (mulHeight A) + log (mulHeight x)