mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.RingTheory.Spectrum.Prime.ChevalleyComplexity

Goal state before:
pp: R : Type u_2
inst✝ : CommRing R
m n : ℕ
f : MvPolynomial (Fin n) R →ₐ[R] MvPolynomial (Fin m) R
k : ℕ
d : Multiset (Fin m)
S : ConstructibleSetData (MvPolynomial (Fin m) R)
hSn : ∀ C ∈ S, C.n ≤ k
hS : ∀ C ∈ S, ∀ (j : Fin C.n), (C.g j).degrees ≤ d
hf : ∀ (i : Fin n), (f (MvPolynomial.X i)).degrees ≤ d
g : MvPolynomial (Fin m) (MvPolynomial (Fin n) R) →+* MvPolynomial (Fin m) R := eval₂Hom f.toRingHom MvPolynomial.X
hg : g.comp (algebraMap (MvPolynomial (Fin n) R) (MvPolynomial (Fin m) (MvPolynomial (Fin n) R))) = ↑f
σ : MvPolynomial (Fin m) R →+* MvPolynomial (Fin m) (MvPolynomial (Fin n) R) :=
  MvPolynomial.map (algebraMap R (MvPolynomial (Fin n) R))
⊢ g.comp σ = RingHom.id (MvPolynomial (Fin m) R)

Tactic:
ext : 2

Goal state after:
case hC
R : Type u_2
inst✝ : CommRing R
m n : ℕ
f : MvPolynomial (Fin n) R →ₐ[R] MvPolynomial (Fin m) R
k : ℕ
d : Multiset (Fin m)
S : ConstructibleSetData (MvPolynomial (Fin m) R)
hSn : ∀ C ∈ S, C.n ≤ k
hS : ∀ C ∈ S, ∀ (j : Fin C.n), (C.g j).degrees ≤ d
hf : ∀ (i : Fin n), (f (MvPolynomial.X i)).degrees ≤ d
g : MvPolynomial (Fin m) (MvPolynomial (Fin n) R) →+* MvPolynomial (Fin m) R := eval₂Hom f.toRingHom MvPolynomial.X
hg : g.comp (algebraMap (MvPolynomial (Fin n) R) (MvPolynomial (Fin m) (MvPolynomial (Fin n) R))) = ↑f
σ : MvPolynomial (Fin m) R →+* MvPolynomial (Fin m) (MvPolynomial (Fin n) R) :=
  MvPolynomial.map (algebraMap R (MvPolynomial (Fin n) R))
x✝ : R
⊢ ((g.comp σ).comp MvPolynomial.C) x✝ = ((RingHom.id (MvPolynomial (Fin m) R)).comp MvPolynomial.C) x✝

case hX
R : Type u_2
inst✝ : CommRing R
m n : ℕ
f : MvPolynomial (Fin n) R →ₐ[R] MvPolynomial (Fin m) R
k : ℕ
d : Multiset (Fin m)
S : ConstructibleSetData (MvPolynomial (Fin m) R)
hSn : ∀ C ∈ S, C.n ≤ k
hS : ∀ C ∈ S, ∀ (j : Fin C.n), (C.g j).degrees ≤ d
hf : ∀ (i : Fin n), (f (MvPolynomial.X i)).degrees ≤ d
g : MvPolynomial (Fin m) (MvPolynomial (Fin n) R) →+* MvPolynomial (Fin m) R := eval₂Hom f.toRingHom MvPolynomial.X
hg : g.comp (algebraMap (MvPolynomial (Fin n) R) (MvPolynomial (Fin m) (MvPolynomial (Fin n) R))) = ↑f
σ : MvPolynomial (Fin m) R →+* MvPolynomial (Fin m) (MvPolynomial (Fin n) R) :=
  MvPolynomial.map (algebraMap R (MvPolynomial (Fin n) R))
i✝ : Fin m
m✝ : Fin m →₀ ℕ
⊢ MvPolynomial.coeff m✝ ((g.comp σ) (MvPolynomial.X i✝)) =
    MvPolynomial.coeff m✝ ((RingHom.id (MvPolynomial (Fin m) R)) (MvPolynomial.X i✝))
Module: Mathlib.AlgebraicGeometry.EllipticCurve.Affine.Point

Goal state before:
pp: F : Type u
inst✝¹ : Field F
W : Affine F
inst✝ : DecidableEq F
x₁ x₂ y₁ y₂ : F
h₁ : W.Equation x₁ y₁
h₂ : W.Equation x₂ y₂
hxy : ¬(x₁ = x₂ ∧ y₁ = W.negY x₂ y₂)
sup_rw : ∀ (a b c d : Ideal W.CoordinateRing), a ⊔ (b ⊔ (c ⊔ d)) = a ⊔ d ⊔ b ⊔ c
⊢ span
        {XClass W x₁ * XClass W x₂, XClass W x₁ * YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)),
          YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) * XClass W x₂,
          YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
            YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂))} *
      span {XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} =
    YIdeal W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
      (span {(mk W) (W.negPolynomial - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)))} ⊔
        span {XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))})

Tactic:
simp_rw [span_insert, sup_rw, Ideal.sup_mul, span_singleton_mul_span_singleton]

Goal state after:
F : Type u
inst✝¹ : Field F
W : Affine F
inst✝ : DecidableEq F
x₁ x₂ y₁ y₂ : F
h₁ : W.Equation x₁ y₁
h₂ : W.Equation x₂ y₂
hxy : ¬(x₁ = x₂ ∧ y₁ = W.negY x₂ y₂)
sup_rw : ∀ (a b c d : Ideal W.CoordinateRing), a ⊔ (b ⊔ (c ⊔ d)) = a ⊔ d ⊔ b ⊔ c
⊢ span {XClass W x₁ * XClass W x₂ * XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} ⊔
          span
            {YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
                  YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
                XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} ⊔
        span
          {XClass W x₁ * YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
              XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} ⊔
      span
        {YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) * XClass W x₂ *
            XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} =
    YIdeal W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
      (span {(mk W) (W.negPolynomial - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)))} ⊔
        span {XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))})
Module: Mathlib.AlgebraicGeometry.EllipticCurve.Affine.Point

Goal state before:
pp: F : Type u
inst✝¹ : Field F
W : Affine F
inst✝ : DecidableEq F
x₁ x₂ y₁ y₂ : F
h₁ : W.Equation x₁ y₁
h₂ : W.Equation x₂ y₂
hxy : ¬(x₁ = x₂ ∧ y₁ = W.negY x₂ y₂)
sup_rw : ∀ (a b c d : Ideal W.CoordinateRing), a ⊔ (b ⊔ (c ⊔ d)) = a ⊔ d ⊔ b ⊔ c
⊢ span
            {(mk W) (Y - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂))) *
                (mk W) (W.negPolynomial - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)))} ⊔
          span
            {YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
                  YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
                XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} ⊔
        span
          {XClass W x₁ * YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
              XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} ⊔
      span
        {YClass W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) * XClass W x₂ *
            XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} =
    YIdeal W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
      (span {(mk W) (W.negPolynomial - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)))} ⊔
        span {XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))})

Tactic:
YClass

Goal state after:
F : Type u
inst✝¹ : Field F
W : Affine F
inst✝ : DecidableEq F
x₁ x₂ y₁ y₂ : F
h₁ : W.Equation x₁ y₁
h₂ : W.Equation x₂ y₂
hxy : ¬(x₁ = x₂ ∧ y₁ = W.negY x₂ y₂)
sup_rw : ∀ (a b c d : Ideal W.CoordinateRing), a ⊔ (b ⊔ (c ⊔ d)) = a ⊔ d ⊔ b ⊔ c
⊢ span
            {(mk W) (Y - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂))) *
                (mk W) (W.negPolynomial - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)))} ⊔
          span
            {(mk W) (Y - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂))) *
                  (mk W) (Y - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂))) *
                XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} ⊔
        span
          {XClass W x₁ * (mk W) (Y - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂))) *
              XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} ⊔
      span
        {(mk W) (Y - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂))) * XClass W x₂ *
            XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))} =
    YIdeal W (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)) *
      (span {(mk W) (W.negPolynomial - C (linePolynomial x₁ y₁ (W.slope x₁ x₂ y₁ y₂)))} ⊔
        span {XClass W (W.addX x₁ x₂ (W.slope x₁ x₂ y₁ y₂))})
Module: Mathlib.NumberTheory.EllipticDivisibilitySequence

Goal state before:
pp: R : Type u_1
inst✝ : CommRing R
b c d : R
m : ℕ
⊢ (have this := ⋯;
    preNormEDS' b c d ((2 * m + 1) / 2 + 2) ^ 2 * preNormEDS' b c d ((2 * m + 1) / 2 + 3) *
        preNormEDS' b c d ((2 * m + 1) / 2 + 5) -
      preNormEDS' b c d ((2 * m + 1) / 2 + 1) * preNormEDS' b c d ((2 * m + 1) / 2 + 3) *
        preNormEDS' b c d ((2 * m + 1) / 2 + 4) ^ 2) =
    preNormEDS' b c d (m + 2) ^ 2 * preNormEDS' b c d (m + 3) * preNormEDS' b c d (m + 5) -
      preNormEDS' b c d (m + 1) * preNormEDS' b c d (m + 3) * preNormEDS' b c d (m + 4) ^ 2

Tactic:
simp [Nat.mul_add_div two_pos]

Goal state after:
Module: Mathlib.AlgebraicGeometry.EllipticCurve.Affine.Point

Goal state before:
pp: case pos
R : Type r
S : Type s
A F : Type u
B K : Type v
L : Type w
inst✝⁹ : CommRing R
inst✝⁸ : CommRing S
inst✝⁷ : CommRing A
inst✝⁶ : CommRing B
inst✝⁵ : Field F
inst✝⁴ : Field K
inst✝³ : Field L
W' : Affine R
W : Affine F
inst✝² : DecidableEq F
inst✝¹ : DecidableEq K
inst✝ : DecidableEq L
x₁ y₁ : F
h₁ : W.Nonsingular x₁ y₁
x₂ y₂ : F
h₂ : W.Nonsingular x₂ y₂
hxy : x₁ = x₂ ∧ y₁ = W.negY x₂ y₂
⊢ (match some x₁ y₁ h₁ + some x₂ y₂ h₂ with
    | zero => 0
    | some x y h => (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h)) =
    (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₁) +
      (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₂)

pp: case neg
R : Type r
S : Type s
A F : Type u
B K : Type v
L : Type w
inst✝⁹ : CommRing R
inst✝⁸ : CommRing S
inst✝⁷ : CommRing A
inst✝⁶ : CommRing B
inst✝⁵ : Field F
inst✝⁴ : Field K
inst✝³ : Field L
W' : Affine R
W : Affine F
inst✝² : DecidableEq F
inst✝¹ : DecidableEq K
inst✝ : DecidableEq L
x₁ y₁ : F
h₁ : W.Nonsingular x₁ y₁
x₂ y₂ : F
h₂ : W.Nonsingular x₂ y₂
hxy : ¬(x₁ = x₂ ∧ y₁ = W.negY x₂ y₂)
⊢ (match some x₁ y₁ h₁ + some x₂ y₂ h₂ with
    | zero => 0
    | some x y h => (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h)) =
    (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₁) +
      (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₂)

Tactic:
· simp only [hxy.left, hxy.right, add_of_Y_eq rfl rfl]
      exact (CoordinateRing.mk_XYIdeal'_neg_mul h₂).symm

Goal state after:
case neg
R : Type r
S : Type s
A F : Type u
B K : Type v
L : Type w
inst✝⁹ : CommRing R
inst✝⁸ : CommRing S
inst✝⁷ : CommRing A
inst✝⁶ : CommRing B
inst✝⁵ : Field F
inst✝⁴ : Field K
inst✝³ : Field L
W' : Affine R
W : Affine F
inst✝² : DecidableEq F
inst✝¹ : DecidableEq K
inst✝ : DecidableEq L
x₁ y₁ : F
h₁ : W.Nonsingular x₁ y₁
x₂ y₂ : F
h₂ : W.Nonsingular x₂ y₂
hxy : ¬(x₁ = x₂ ∧ y₁ = W.negY x₂ y₂)
⊢ (match some x₁ y₁ h₁ + some x₂ y₂ h₂ with
    | zero => 0
    | some x y h => (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h)) =
    (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₁) +
      (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₂)
Module: Mathlib.AlgebraicGeometry.EllipticCurve.Affine.Point

Goal state before:
pp: case neg
R : Type r
S : Type s
A F : Type u
B K : Type v
L : Type w
inst✝⁹ : CommRing R
inst✝⁸ : CommRing S
inst✝⁷ : CommRing A
inst✝⁶ : CommRing B
inst✝⁵ : Field F
inst✝⁴ : Field K
inst✝³ : Field L
W' : Affine R
W : Affine F
inst✝² : DecidableEq F
inst✝¹ : DecidableEq K
inst✝ : DecidableEq L
x₁ y₁ : F
h₁ : W.Nonsingular x₁ y₁
x₂ y₂ : F
h₂ : W.Nonsingular x₂ y₂
hxy : ¬(x₁ = x₂ ∧ y₁ = W.negY x₂ y₂)
⊢ (match some x₁ y₁ h₁ + some x₂ y₂ h₂ with
    | zero => 0
    | some x y h => (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h)) =
    (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₁) +
      (ClassGroup.mk W.FunctionField) (CoordinateRing.XYIdeal' h₂)

Tactic:
· simp only [add_some hxy]
      exact (CoordinateRing.mk_XYIdeal'_mul_mk_XYIdeal' h₁ h₂ hxy).symm

Goal state after:
Module: Mathlib.AlgebraicGeometry.AffineTransitionLimit

Goal state before:
pp: I : Type u
inst✝⁵ : Category.{u, u} I
inst✝⁴ : IsCofiltered I
R : CommRingCat
inst✝³ : IsAffine (Spec R)
S : CommRingCat
inst✝² : IsAffine (Spec S)
φ : R ⟶ S
inst✝¹ : LocallyOfFinitePresentation (Spec.map φ)
D : I ⥤ CommRingCatᵒᵖ
c : Cone (D ⋙ Scheme.Spec)
hc : IsLimit c
inst✝ : ∀ (i : I), IsAffine ((D ⋙ Scheme.Spec).obj i)
t : D ⋙ Scheme.Spec ⟶ (Functor.const I).obj (Spec R)
a : c.pt ⟶ Spec S
ha : c.π ≫ t = (Functor.const I).map (a ≫ Spec.map φ)
e : ((Functor.const Iᵒᵖ).obj R).rightOp ⋙ Scheme.Spec ≅ (Functor.const I).obj (Spec R) :=
  NatIso.ofComponents (fun x ↦ Iso.refl ((((Functor.const Iᵒᵖ).obj R).rightOp ⋙ Scheme.Spec).obj x)) ⋯
⊢ t =
    Functor.whiskerRight { app := fun i ↦ Spec.preimage (t.app (Opposite.unop i)), naturality := ⋯ }.rightOp
        Scheme.Spec ≫
      e.hom

Tactic:
ext : 2

Goal state after:
I : Type u
inst✝⁵ : Category.{u, u} I
inst✝⁴ : IsCofiltered I
R : CommRingCat
inst✝³ : IsAffine (Spec R)
S : CommRingCat
inst✝² : IsAffine (Spec S)
φ : R ⟶ S
inst✝¹ : LocallyOfFinitePresentation (Spec.map φ)
D : I ⥤ CommRingCatᵒᵖ
c : Cone (D ⋙ Scheme.Spec)
hc : IsLimit c
inst✝ : ∀ (i : I), IsAffine ((D ⋙ Scheme.Spec).obj i)
t : D ⋙ Scheme.Spec ⟶ (Functor.const I).obj (Spec R)
a : c.pt ⟶ Spec S
ha : c.π ≫ t = (Functor.const I).map (a ≫ Spec.map φ)
e : ((Functor.const Iᵒᵖ).obj R).rightOp ⋙ Scheme.Spec ≅ (Functor.const I).obj (Spec R) :=
  NatIso.ofComponents (fun x ↦ Iso.refl ((((Functor.const Iᵒᵖ).obj R).rightOp ⋙ Scheme.Spec).obj x)) ⋯
x✝ : I
⊢ t.app x✝ =
    (Functor.whiskerRight { app := fun i ↦ Spec.preimage (t.app (Opposite.unop i)), naturality := ⋯ }.rightOp
            Scheme.Spec ≫
          e.hom).app
      x✝
Module: Mathlib.AlgebraicGeometry.EllipticCurve.NormalForms

Goal state before:
pp: case a₄
F : Type u_2
inst✝¹ : Field F
inst✝ : CharP F 3
W : WeierstrassCurve F
hb₂ : W.b₂ ≠ 0
h : 2 * 2 = 1
this✝ : Invertible 2 := { invOf := 2, invOf_mul_self := h, mul_invOf_self := h }
W' : WeierstrassCurve F := W.toShortNFOfCharThree • W
this : W'.IsCharNeTwoNF
ha₂ : W'.a₂ ≠ 0
⊢ W'.a₄ * (W'.a₂ ^ 2 * (1 + 2) + W'.a₄ * 3) = 0

Tactic:
linear_combination (W'.a₄ * W'.a₂ ^ 2 + W'.a₄ ^ 2) * CharP.cast_eq_zero F 3

Goal state after:
Module: Mathlib.AlgebraicGeometry.EllipticCurve.NormalForms

Goal state before:
pp: R : Type u_1
inst✝¹ : CommRing R
W : WeierstrassCurve R
inst✝ : W.IsCharTwoJNeZeroNF
⊢ W.c₄ = W.b₂ ^ 2

Tactic:
rw [c₄, b₄_of_isCharTwoJNeZeroNF]
  ring1

Goal state after:
Module: Mathlib.AlgebraicGeometry.EllipticCurve.NormalForms

Goal state before:
pp: R : Type u_1
inst✝² : CommRing R
W : WeierstrassCurve R
inst✝¹ : W.IsCharTwoJEqZeroNF
inst✝ : CharP R 2
⊢ W.Δ = W.a₃ ^ 4

Tactic:
Δ_of_isCharTwoJEqZeroNF,

Goal state after:
R : Type u_1
inst✝² : CommRing R
W : WeierstrassCurve R
inst✝¹ : W.IsCharTwoJEqZeroNF
inst✝ : CharP R 2
⊢ -(64 * W.a₄ ^ 3 + 27 * W.b₆ ^ 2) = W.a₃ ^ 4
Module: Mathlib.AlgebraicGeometry.EllipticCurve.NormalForms

Goal state before:
pp: F : Type u_2
inst✝² : Field F
W : WeierstrassCurve F
inst✝¹ : W.IsElliptic
inst✝ : W.IsCharTwoJEqZeroNF
h : -(64 * W.a₄ ^ 3 + 27 * W.b₆ ^ 2) ≠ 0
⊢ (-48 * W.a₄) ^ 3 / W.Δ = 110592 * W.a₄ ^ 3 / (64 * W.a₄ ^ 3 + 27 * W.b₆ ^ 2)

Tactic:
Δ_of_isCharTwoJEqZeroNF,

Goal state after:
F : Type u_2
inst✝² : Field F
W : WeierstrassCurve F
inst✝¹ : W.IsElliptic
inst✝ : W.IsCharTwoJEqZeroNF
h : -(64 * W.a₄ ^ 3 + 27 * W.b₆ ^ 2) ≠ 0
⊢ (-48 * W.a₄) ^ 3 / -(64 * W.a₄ ^ 3 + 27 * W.b₆ ^ 2) = 110592 * W.a₄ ^ 3 / (64 * W.a₄ ^ 3 + 27 * W.b₆ ^ 2)
Module: Mathlib.AlgebraicGeometry.EllipticCurve.IsomOfJ

Goal state before:
pp: case of_j_ne_zero.of_j_ne_zero
F : Type u_1
inst✝⁶ : Field F
inst✝⁵ : IsSepClosed F
E E' : WeierstrassCurve F
inst✝⁴ : E.IsElliptic
inst✝³ : E'.IsElliptic
inst✝² : CharP F 3
C : VariableChange F
heq : (C • E).j = E'.j
inst✝¹ : (C • E).IsCharThreeJNeZeroNF
C' : VariableChange F
inst✝ : (C' • E').IsCharThreeJNeZeroNF
⊢ ∃ C, C • E = E'

Tactic:
← variableChange_j E' C'

Goal state after:
case of_j_ne_zero.of_j_ne_zero
F : Type u_1
inst✝⁶ : Field F
inst✝⁵ : IsSepClosed F
E E' : WeierstrassCurve F
inst✝⁴ : E.IsElliptic
inst✝³ : E'.IsElliptic
inst✝² : CharP F 3
C : VariableChange F
inst✝¹ : (C • E).IsCharThreeJNeZeroNF
C' : VariableChange F
heq : (C • E).j = (C' • E').j
inst✝ : (C' • E').IsCharThreeJNeZeroNF
⊢ ∃ C, C • E = E'
Module: Mathlib.AlgebraicGeometry.EllipticCurve.IsomOfJ

Goal state before:
pp: F : Type u_1
inst✝⁶ : Field F
inst✝⁵ : IsSepClosed F
E✝ E'✝ : WeierstrassCurve F
inst✝⁴ : E✝.IsElliptic
inst✝³ : E'✝.IsElliptic
p : ℕ
inst✝² : CharP F p
hchar2 : 2 ≠ 0
hchar3 : 3 ≠ 0
this✝³ : NeZero 2
this✝² : NeZero 4
this✝¹ : NeZero 6
this✝ : Invertible 2 := invertibleOfNonzero hchar2
this : Invertible 3 := invertibleOfNonzero hchar3
E : WeierstrassCurve F
inst✝¹ : E.IsElliptic
h✝¹ : E.IsShortNF
E' : WeierstrassCurve F
inst✝ : E'.IsElliptic
h✝ : E'.IsShortNF
heq : E.a₄ ^ 3 * E'.a₆ ^ 2 = E'.a₄ ^ 3 * E.a₆ ^ 2
ha₄ : ¬E.a₄ = 0
ha₆ : ¬E.a₆ = 0
h : E'.a₄ = 0
⊢ False

Tactic:
rw [h, zero_pow three_ne_zero, zero_mul, mul_eq_zero,
      pow_eq_zero_iff two_ne_zero, pow_eq_zero_iff three_ne_zero] at heq
    simpa [E'.coe_Δ', Δ_of_isShortNF, h, heq.resolve_left ha₄] using E'.Δ'.ne_zero

Goal state after:
Module: Mathlib.AlgebraicGeometry.EllipticCurve.DivisionPolynomial.Degree

Goal state before:
pp: case succ.succ.right
R : Type u
inst✝ : CommRing R
W : WeierstrassCurve R
dm : ∀ {m n : ℕ} {p q : R[X]}, p.natDegree ≤ m → q.natDegree ≤ n → (p * q).natDegree ≤ m + n := ⋯
dp : ∀ {m n : ℕ} {p : R[X]}, p.natDegree ≤ m → (p ^ n).natDegree ≤ n * m := ⋯
cm : ∀ {m n : ℕ} {p q : R[X]}, p.natDegree ≤ m → q.natDegree ≤ n → (p * q).coeff (m + n) = p.coeff m * q.coeff n := ⋯
h : ∀ {n : ℕ}, (W.preΨ' n).natDegree ≤ expDegree n ∧ (W.preΨ' n).coeff (expDegree n) = ↑(expCoeff n) := ⋯
n : ℕ
hd : (n + 1 + 1) ^ 2 = 1 + 2 * expDegree (n + 2) + if Even (n + 1) then 0 else 3
hd' : (n + 1 + 1) ^ 2 = expDegree (n + 3) + expDegree (n + 1) + if Even (n + 1) then 3 else 0
hc :
  1 =
    (1 * expCoeff (n + 2) ^ 2 * if Even (n + 1) then 1 else 4) -
      expCoeff (n + 3) * expCoeff (n + 1) * if Even (n + 1) then 4 else 1
⊢ ((X * W.preΨ' (n + 1 + 1) ^ 2 * if Even (n + 1) then 1 else W.Ψ₂Sq) -
          W.preΨ' (n + 1 + 2) * W.preΨ' (n + 1) * if Even (n + 1) then W.Ψ₂Sq else 1).coeff
      ((n + 1 + 1) ^ 2) =
    1

Tactic:
nth_rw 1 [coeff_sub, hd, hd', cm (dm natDegree_X_le (dp h.1)), cm natDegree_X_le (dp h.1),
      coeff_X_one, coeff_pow_of_natDegree_le h.1, h.2, apply_ite₂ coeff, coeff_one_zero, coeff_Ψ₂Sq,
      cm (dm h.1 h.1), cm h.1 h.1, h.2, h.2, apply_ite₂ coeff, coeff_one_zero, coeff_Ψ₂Sq]
    conv_rhs => rw [← Int.cast_one, hc]
    · norm_cast
    all_goals split_ifs <;> simp only [natDegree_one.le, W.natDegree_Ψ₂Sq_le]

Goal state after:
Module: Mathlib.AlgebraicGeometry.EllipticCurve.Jacobian.Point

Goal state before:
pp: case pos
F : Type u
inst✝¹ : Field F
W : Jacobian F
inst✝ : DecidableEq F
P Q : Fin 3 → F
hP : W.Equation P
hQ : W.Equation Q
hPz : P z ≠ 0
hQz : Q z ≠ 0
hxy : ¬(P x * Q z ^ 2 = Q x * P z ^ 2 ∧ P y * Q z ^ 3 = W.negY Q * P z ^ 3)
hx : P x * Q z ^ 2 = Q x * P z ^ 2
⊢ ⟦W.add P Q⟧ =
    ⟦![W.toAffine.addX (P x / P z ^ 2) (Q x / Q z ^ 2)
          (W.toAffine.slope (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3) (Q y / Q z ^ 3)),
        W.toAffine.addY (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3)
          (W.toAffine.slope (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3) (Q y / Q z ^ 3)),
        1]⟧

Tactic:
add_of_Y_ne' hP hQ hPz hQz hx <| not_and.mp hxy hx,

Goal state after:
case pos
F : Type u
inst✝¹ : Field F
W : Jacobian F
inst✝ : DecidableEq F
P Q : Fin 3 → F
hP : W.Equation P
hQ : W.Equation Q
hPz : P z ≠ 0
hQz : Q z ≠ 0
hxy : ¬(P x * Q z ^ 2 = Q x * P z ^ 2 ∧ P y * Q z ^ 3 = W.negY Q * P z ^ 3)
hx : P x * Q z ^ 2 = Q x * P z ^ 2
⊢ ⟦W.dblZ P •
        ![W.toAffine.addX (P x / P z ^ 2) (Q x / Q z ^ 2)
            (W.toAffine.slope (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3) (Q y / Q z ^ 3)),
          W.toAffine.addY (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3)
            (W.toAffine.slope (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3) (Q y / Q z ^ 3)),
          1]⟧ =
    ⟦![W.toAffine.addX (P x / P z ^ 2) (Q x / Q z ^ 2)
          (W.toAffine.slope (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3) (Q y / Q z ^ 3)),
        W.toAffine.addY (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3)
          (W.toAffine.slope (P x / P z ^ 2) (Q x / Q z ^ 2) (P y / P z ^ 3) (Q y / Q z ^ 3)),
        1]⟧
Module: Mathlib.AlgebraicGeometry.EllipticCurve.Jacobian.Point

Goal state before:
pp: R : Type r
S : Type s
A F : Type u
B K : Type v
inst✝⁵ : CommRing R
inst✝⁴ : CommRing S
inst✝³ : CommRing A
inst✝² : CommRing B
inst✝¹ : Field F
inst✝ : Field K
W' : Jacobian R
W : Jacobian F
x✝ : W.Point
⊢ (toAffineAddEquiv W) (0 + x✝) = (toAffineAddEquiv W) x✝

Tactic:
simp only [map_add, toAffineAddEquiv_apply, toAffineLift_zero, zero_add]

Goal state after:
Module: Mathlib.RingTheory.Valuation.ValuativeRel.Basic

Goal state before:
pp: R : Type u_1
inst✝¹ : Semiring R
inst✝ : ValuativeRel R
x x' y y' z : R
a b c : ValueGroupWithZero R
hab : a ≤ b
hbc : b ≤ c
⊢ a ≤ c

Tactic:
by
    induction a using ValueGroupWithZero.ind with | mk a₁ a₂
    induction b using ValueGroupWithZero.ind with | mk b₁ b₂
    induction c using ValueGroupWithZero.ind with | mk c₁ c₂
    rw [ValueGroupWithZero.mk_le_mk] at hab hbc ⊢
    apply vle_mul_cancel b₂.prop
    calc a₁ * c₂ * b₂
      _ =ᵥ a₁ * b₂ * c₂ := by grw [veq_mul_right_comm]
      _ ≤ᵥ b₁ * a₂ * c₂ := mul_vle_mul_left hab _
      _ =ᵥ b₁ * c₂ * a₂ := by grw [veq_mul_right_comm]
      _ ≤ᵥ c₁ * b₂ * a₂ := mul_vle_mul_left hbc _
      _ =ᵥ c₁ * a₂ * b₂ := by grw [veq_mul_right_comm]

Goal state after:
Module: Mathlib.Topology.Algebra.ValuativeRel.ValuativeTopology

Goal state before:
pp: R : Type u_1
inst✝⁵ : Ring R
inst✝⁴ : ValuativeRel R
Γ₀ : Type u_3
inst✝³ : LinearOrderedCommGroupWithZero Γ₀
inst✝² : TopologicalSpace R
v : Valuation R Γ₀
inst✝¹ : v.Compatible
inst✝ : IsTopologicalAddGroup R
H : ∀ {s : Set R}, s ∈ 𝓝 0 ↔ ∃ γ, {z | v.restrict z < ↑γ} ⊆ s
s : Set R
x : R
⊢ (∃ γ, x +ᵥ {z | v.restrict z < ↑γ} ⊆ s) ↔ ∃ γ, {z | v.restrict (z - x) < ↑γ} ⊆ s

Tactic:
suffices ∀ (γ : (ValueGroup₀ (.ofClass v))ˣ), (x +ᵥ {z | v.restrict z < ↑γ}) =
    {a | v.restrict (-x + a) < ↑γ} by simp_all [neg_add_eq_sub]

Goal state after:
R : Type u_1
inst✝⁵ : Ring R
inst✝⁴ : ValuativeRel R
Γ₀ : Type u_3
inst✝³ : LinearOrderedCommGroupWithZero Γ₀
inst✝² : TopologicalSpace R
v : Valuation R Γ₀
inst✝¹ : v.Compatible
inst✝ : IsTopologicalAddGroup R
H : ∀ {s : Set R}, s ∈ 𝓝 0 ↔ ∃ γ, {z | v.restrict z < ↑γ} ⊆ s
s : Set R
x : R
⊢ ∀ (γ : (ofClass v).ValueGroup₀ˣ), x +ᵥ {z | v.restrict z < ↑γ} = {a | v.restrict (-x + a) < ↑γ}
Module: Mathlib.RingTheory.Valuation.ValuativeRel.Basic

Goal state before:
pp: case neg.h₁
R : Type u_1
inst✝¹ : Semiring R
inst✝ : ValuativeRel R
x✝ x' y✝ y' z x y : R
t s : ↥(posSubmonoid R)
h₁ : x * ↑t ≤ᵥ y * ↑s
h₂ : y * ↑s ≤ᵥ x * ↑t
hx : ¬x ≤ᵥ 0
hy : ¬y ≤ᵥ 0
⊢ ↑⟨y, hy⟩ * ↑s ≤ᵥ ↑t * ↑⟨x, hx⟩

Tactic:
veq_mul_comm _ x

Goal state after:
case neg.h₁
R : Type u_1
inst✝¹ : Semiring R
inst✝ : ValuativeRel R
x✝ x' y✝ y' z x y : R
t s : ↥(posSubmonoid R)
h₁ : x * ↑t ≤ᵥ y * ↑s
h₂ : y * ↑s ≤ᵥ x * ↑t
hx : ¬x ≤ᵥ 0
hy : ¬y ≤ᵥ 0
⊢ ↑⟨y, hy⟩ * ↑s ≤ᵥ x * ↑t
Module: Mathlib.RingTheory.Valuation.ValuativeRel.Basic

Goal state before:
pp: R✝ : Type u_1
inst✝⁵ : Semiring R✝
inst✝⁴ : ValuativeRel R✝
R : Type u_2
Γ : Type u_3
inst✝³ : Ring R
inst✝² : ValuativeRel R
inst✝¹ : LinearOrderedCommGroupWithZero Γ
v : Valuation R Γ
inst✝ : v.Compatible
⊢ ∀ (x y : R) (t s : ↥(posSubmonoid R)),
    x * ↑t ≤ᵥ y * ↑s →
      y * ↑s ≤ᵥ x * ↑t →
        (restrict₀ (ofClass v)) x / (restrict₀ (ofClass v)) ↑s = (restrict₀ (ofClass v)) y / (restrict₀ (ofClass v)) ↑t

Tactic:
by
    intro x y r s
    simp only [Valuation.Compatible.vle_iff_le (v := v), map_mul, ← and_imp, ← le_antisymm_iff]
    rw [div_eq_div_iff]
    · simp only [ValueGroup₀.restrict₀_apply, dite_mul, zero_mul]
      split_ifs with h1 h2 h3 <;>
      simp_all [← WithZero.coe_mul, ← Units.val_inj] <;> simpa
    all_goals simp [ValueGroup₀.restrict₀]

Goal state after:
Module: Mathlib.Topology.Algebra.UniformRing

Goal state before:
pp: α : Type u_1
inst✝⁷ : Ring α
inst✝⁶ : UniformSpace α
inst✝⁵ : IsTopologicalRing α
inst✝⁴ : IsUniformAddGroup α
β : Type u
inst✝³ : UniformSpace β
inst✝² : Ring β
inst✝¹ : IsUniformAddGroup β
inst✝ : IsTopologicalRing β
f : α →+* β
hf : Continuous ⇑f
a : α
⊢ Completion.map ⇑f ↑a = ↑(f a)

Tactic:
map_coe (uniformContinuous_addMonoidHom_of_continuous hf)

Goal state after:
α : Type u_1
inst✝⁷ : Ring α
inst✝⁶ : UniformSpace α
inst✝⁵ : IsTopologicalRing α
inst✝⁴ : IsUniformAddGroup α
β : Type u
inst✝³ : UniformSpace β
inst✝² : Ring β
inst✝¹ : IsUniformAddGroup β
inst✝ : IsTopologicalRing β
f : α →+* β
hf : Continuous ⇑f
a : α
⊢ ↑(f a) = ↑(f a)
Module: Mathlib.Topology.Algebra.UniformField

Goal state before:
pp: K : Type u_1
inst✝³ : Field K
inst✝² : UniformSpace K
inst✝¹ : IsTopologicalDivisionRing K
inst✝ : CompletableTopField K
x : K
⊢ (↑x)⁻¹ = ↑x⁻¹

Tactic:
by_cases h : x = 0

Goal state after:
case pos
K : Type u_1
inst✝³ : Field K
inst✝² : UniformSpace K
inst✝¹ : IsTopologicalDivisionRing K
inst✝ : CompletableTopField K
x : K
h : x = 0
⊢ (↑x)⁻¹ = ↑x⁻¹

case neg
K : Type u_1
inst✝³ : Field K
inst✝² : UniformSpace K
inst✝¹ : IsTopologicalDivisionRing K
inst✝ : CompletableTopField K
x : K
h : ¬x = 0
⊢ (↑x)⁻¹ = ↑x⁻¹