mathlib-initiative/mathlib-tactics huggingface dataset:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⊗ Y ⟶ Z
⊢ 𝟙 (X ⊗ Y) ⊗≫ X ◁ (η_ Y Y' ▷ Y ⊗≫ Y ◁ ε_ Y Y') ⊗≫ f = f

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⊗ Y ⟶ Z
⊢ (fun f ↦ f ▷ Y ≫ (α_ Z Y' Y).hom ≫ Z ◁ ε_ Y Y' ≫ (ρ_ Z).hom)
      ((fun f ↦ (ρ_ X).inv ≫ X ◁ η_ Y Y' ≫ (α_ X Y Y').inv ≫ f ▷ Y') f) =
    f

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.Dimension.RankNullity

Goal state before:
pp: R : Type u_1
M : Type u
inst✝⁵ : Ring R
inst✝⁴ : AddCommGroup M
inst✝³ : Module R M
inst✝² : HasRankNullity.{u, u_1} R
inst✝¹ : StrongRankCondition R
inst✝ : Module.Finite R M
N : Submodule R M
h : finrank R ↥N < finrank R M
s : Finset (M ⧸ N)
hs : s.card = finrank R (M ⧸ N)
hs' : LinearIndependent R Subtype.val
⊢ s.Nonempty

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
W : Submodule K V
v : V
hv : v ∉ W
hW : W ⊔ K ∙ v = ⊤
this : W ⊓ K ∙ v = ⊥
⊢ finrank K (V ⧸ W) = 1

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.Matrix.InvariantBasisNumber

Goal state before:
pp: R : Type u_1
inst✝ : Semiring R
⊢ InvariantBasisNumber Rᵐᵒᵖ ↔ InvariantBasisNumber R

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Z ⊗ Y'
⊢ (fun f ↦ (ρ_ X).inv ≫ X ◁ η_ Y Y' ≫ (α_ X Y Y').inv ≫ f ▷ Y')
      ((fun f ↦ f ▷ Y ≫ (α_ Z Y' Y).hom ≫ Z ◁ ε_ Y Y' ≫ (ρ_ Z).hom) f) =
    𝟙 X ⊗≫ (X ◁ η_ Y Y' ≫ f ▷ (Y ⊗ Y')) ⊗≫ Z ◁ ε_ Y Y' ▷ Y' ⊗≫ 𝟙 (Z ⊗ Y')

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Z ⊗ Y'
⊢ 𝟙 X ⊗≫ (X ◁ η_ Y Y' ≫ f ▷ (Y ⊗ Y')) ⊗≫ Z ◁ ε_ Y Y' ▷ Y' ⊗≫ 𝟙 (Z ⊗ Y') =
    f ⊗≫ Z ◁ (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ 𝟙 (Z ⊗ Y')

Tactic:
whisker_exchange

Goal state after:
C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Z ⊗ Y'
⊢ 𝟙 X ⊗≫ (f ▷ 𝟙_ C ≫ (Z ⊗ Y') ◁ η_ Y Y') ⊗≫ Z ◁ ε_ Y Y' ▷ Y' ⊗≫ 𝟙 (Z ⊗ Y') =
    f ⊗≫ Z ◁ (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ 𝟙 (Z ⊗ Y')
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
W : Submodule K V
v : V
hv : v ∉ W
hW : W ⊔ K ∙ v = ⊤
w : V
hw : w ∈ W ⊓ K ∙ v
⊢ w ∈ W ∧ ∃ t, t • v = w

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.Dimension.RankNullity

Goal state before:
pp: R : Type u_1
M : Type u
inst✝⁵ : Ring R
inst✝⁴ : AddCommGroup M
inst✝³ : Module R M
inst✝² : HasRankNullity.{u, u_1} R
inst✝¹ : StrongRankCondition R
inst✝ : Module.Finite R M
N : Submodule R M
h : finrank R ↥N < finrank R M
⊢ ∃ m, ∀ (r : R), r ≠ 0 → r • m ∉ N

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Z ⊗ Y'
⊢ 𝟙 X ⊗≫ (X ◁ η_ Y Y' ≫ f ▷ (Y ⊗ Y')) ⊗≫ Z ◁ ε_ Y Y' ▷ Y' ⊗≫ 𝟙 (Z ⊗ Y') =
    f ⊗≫ Z ◁ (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ 𝟙 (Z ⊗ Y')

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Z ⊗ Y'
⊢ f ⊗≫ Z ◁ (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ 𝟙 (Z ⊗ Y') = f

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Z ⊗ Y'
⊢ (fun f ↦ (ρ_ X).inv ≫ X ◁ η_ Y Y' ≫ (α_ X Y Y').inv ≫ f ▷ Y')
      ((fun f ↦ f ▷ Y ≫ (α_ Z Y' Y).hom ≫ Z ◁ ε_ Y Y' ≫ (ρ_ Z).hom) f) =
    f

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z Z' : C
inst✝ : ExactPairing Y Y'
f : Y' ⊗ X ⟶ Z
g : Z ⟶ Z'
⊢ (tensorLeftHomEquiv X Y Y' Z') (f ≫ g) = (tensorLeftHomEquiv X Y Y' Z) f ≫ Y ◁ g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X X' Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ X'
g : X' ⟶ Y ⊗ Z
⊢ (tensorLeftHomEquiv X Y Y' Z).symm (f ≫ g) = Y' ◁ f ≫ (tensorLeftHomEquiv X' Y Y' Z).symm g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y Y' Z Z' : C
inst✝ : ExactPairing Y Y'
f : X ⊗ Y ⟶ Z
g : Z ⟶ Z'
⊢ (tensorRightHomEquiv X Y Y' Z') (f ≫ g) = (tensorRightHomEquiv X Y Y' Z) f ≫ g ▷ Y'

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X X' Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : X ⟶ X'
g : X' ⟶ Z ⊗ Y'
⊢ (tensorRightHomEquiv X Y Y' Z).symm (f ≫ g) = f ▷ Y ≫ (tensorRightHomEquiv X' Y Y' Z).symm g

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X X' Y Y' Z Z' : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Y ⊗ Z
g : X' ⟶ Z'
⊢ (tensorLeftHomEquiv (X ⊗ X') Y Y' (Z ⊗ Z')).symm ((f ⊗ₘ g) ≫ (α_ Y Z Z').hom) =
    (α_ Y' X X').inv ≫ ((tensorLeftHomEquiv X Y Y' Z).symm f ⊗ₘ g)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X X' Y Y' Z Z' : C
inst✝ : ExactPairing Y Y'
f : X ⟶ Z ⊗ Y'
g : X' ⟶ Z'
⊢ (tensorRightHomEquiv (X' ⊗ X) Y Y' (Z' ⊗ Z)).symm ((g ⊗ₘ f) ≫ (α_ Z' Z Y').inv) =
    (α_ X' X Y).hom ≫ (g ⊗ₘ (tensorRightHomEquiv X Y Y' Z).symm f)

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
W : Submodule K V
v : V
hv : v ∉ W
⊢ W ⊔ K ∙ v = ⊤ ↔ finrank K (V ⧸ W) = 1

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
p : Submodule K V
v : V
hv : v ∉ p
⊢ v ≠ 0

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y' ⟶ Z
⊢ (tensorLeftHomEquiv (𝟙_ C) Y Y' Z).symm (η_ Y Y' ≫ Y ◁ f) = Y' ◁ η_ Y Y' ⊗≫ ((Y' ⊗ Y) ◁ f ≫ ε_ Y Y' ▷ Z) ⊗≫ 𝟙 Z

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y' ⟶ Z
⊢ Y' ◁ η_ Y Y' ⊗≫ ((Y' ⊗ Y) ◁ f ≫ ε_ Y Y' ▷ Z) ⊗≫ 𝟙 Z = (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ f

Tactic:
whisker_exchange

Goal state after:
C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y' ⟶ Z
⊢ Y' ◁ η_ Y Y' ⊗≫ (ε_ Y Y' ▷ Y' ≫ 𝟙_ C ◁ f) ⊗≫ 𝟙 Z = (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ f
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
p : Submodule K V
v : V
hv : v ∉ p
x : V
a : K
hx : a • v ∈ p
hx' : a • v = x
this : a = 0
⊢ x ∈ ⊥

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y' ⟶ Z
⊢ Y' ◁ η_ Y Y' ⊗≫ ((Y' ⊗ Y) ◁ f ≫ ε_ Y Y' ▷ Z) ⊗≫ 𝟙 Z = (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ f

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
p : Submodule K V
v : V
hv : v ∉ p
⊢ finrank K ↥(p ⊔ K ∙ v) = finrank K ↥p + 1

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y' ⟶ Z
⊢ (Y' ◁ η_ Y Y' ⊗≫ ε_ Y Y' ▷ Y') ⊗≫ f = (ρ_ Y').hom ≫ f

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
W : Submodule K V
h : W = ⊤
⊢ finrank K ↥W = finrank K V

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y' ⟶ Z
⊢ (tensorLeftHomEquiv (𝟙_ C) Y Y' Z).symm (η_ Y Y' ≫ Y ◁ f) = (ρ_ Y').hom ≫ f

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : Module.Finite K V
W : Submodule K V
⊢ W = ⊤ ↔ finrank K ↥W = finrank K V

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁶ : DivisionRing K
inst✝⁵ : AddCommGroup V
inst✝⁴ : Module K V
V₂ : Type v'
inst✝³ : AddCommGroup V₂
inst✝² : Module K V₂
inst✝¹ : FiniteDimensional K V
inst✝ : FiniteDimensional K V₂
p : Subspace K V
q : Subspace K V₂
f₁ : ↥p ≃ₗ[K] ↥q
f₂ : V ≃ₗ[K] V₂
⊢ finrank K (V ⧸ p) = finrank K (V₂ ⧸ q)

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁶ : DivisionRing K
inst✝⁵ : AddCommGroup V
inst✝⁴ : Module K V
V₂ : Type v'
inst✝³ : AddCommGroup V₂
inst✝² : Module K V₂
inst✝¹ : FiniteDimensional K V
inst✝ : FiniteDimensional K V₂
p q : Subspace K V
f : (V ⧸ p) ≃ₗ[K] ↥q
⊢ finrank K (V ⧸ q) = finrank K ↥p

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁵ : DivisionRing K
inst✝⁴ : AddCommGroup V
inst✝³ : Module K V
V₂ : Type v'
inst✝² : AddCommGroup V₂
inst✝¹ : Module K V₂
inst✝ : FiniteDimensional K V
f : V →ₗ[K] V₂
⊢ finrank K ↥f.range + finrank K ↥f.ker = finrank K V

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁶ : DivisionRing K
inst✝⁵ : AddCommGroup V
inst✝⁴ : Module K V
V₂ : Type v'
inst✝³ : AddCommGroup V₂
inst✝² : Module K V₂
inst✝¹ : FiniteDimensional K V
inst✝ : FiniteDimensional K V₂
f : V →ₗ[K] V₂
h : finrank K V₂ < finrank K V
⊢ f.ker ≠ ⊥

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasRightDual X
inst✝ : HasRightDual Y
f : X ⟶ Y
⊢ (tensorLeftHomEquiv (𝟙_ C) Y Yᘁ Xᘁ).symm (η_ X Xᘁ ≫ f ▷ Xᘁ) = (ρ_ Yᘁ).hom ≫ fᘁ

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasLeftDual X
inst✝ : HasLeftDual Y
f : X ⟶ Y
⊢ (tensorRightHomEquiv (𝟙_ C) (ᘁY) Y ᘁX).symm (η_ (ᘁX) X ≫ ᘁX ◁ f) = (λ_ ᘁY).hom ≫ ᘁf

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y ⟶ Z
⊢ (tensorRightHomEquiv (𝟙_ C) Y Y' Z).symm (η_ Y Y' ≫ f ▷ Y') = η_ Y Y' ▷ Y ⊗≫ (f ▷ (Y' ⊗ Y) ≫ Z ◁ ε_ Y Y') ⊗≫ 𝟙 Z

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y ⟶ Z
⊢ η_ Y Y' ▷ Y ⊗≫ (f ▷ (Y' ⊗ Y) ≫ Z ◁ ε_ Y Y') ⊗≫ 𝟙 Z = (η_ Y Y' ▷ Y ⊗≫ Y ◁ ε_ Y Y') ⊗≫ f

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁶ : DivisionRing K
inst✝⁵ : AddCommGroup V
inst✝⁴ : Module K V
V₂ : Type v'
inst✝³ : AddCommGroup V₂
inst✝² : Module K V₂
inst✝¹ : FiniteDimensional K V
inst✝ : FiniteDimensional K V₂
H : finrank K V = finrank K V₂
f : V →ₗ[K] V₂
⊢ Injective ⇑f ↔ Surjective ⇑f

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁶ : DivisionRing K
inst✝⁵ : AddCommGroup V
inst✝⁴ : Module K V
V₂ : Type v'
inst✝³ : AddCommGroup V₂
inst✝² : Module K V₂
inst✝¹ : FiniteDimensional K V
inst✝ : FiniteDimensional K V₂
H : finrank K V = finrank K V₂
f : V →ₗ[K] V₂
⊢ f.ker = ⊥ ↔ f.range = ⊤

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
s t : Submodule K V
inst✝ : FiniteDimensional K ↥t
hst : s < t
⊢ comap t.subtype s ≠ ⊤

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Y' Z : C
inst✝ : ExactPairing Y Y'
f : Y ⟶ Z
⊢ (η_ Y Y' ▷ Y ⊗≫ Y ◁ ε_ Y Y') ⊗≫ f = (λ_ Y).hom ≫ f

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : FiniteDimensional K V
U W : Submodule K V
h : IsCompl U W
⊢ finrank K ↥U + finrank K ↥W = finrank K V

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁴ : DivisionRing K
inst✝³ : AddCommGroup V
inst✝² : Module K V
ι : Type u_1
inst✝¹ : Fintype ι
inst✝ : FiniteDimensional K V
b : ι → V
lin_ind : LinearIndependent K b
card_eq : Fintype.card ι = finrank K V
⊢ span K (Set.range b) = ⊤

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Z : C
inst✝ : HasLeftDual Z
f : Y ⟶ ᘁZ
⊢ (tensorLeftHomEquiv Y (ᘁZ) Z (𝟙_ C)) (Z ◁ f ≫ ε_ (ᘁZ) Z) = 𝟙 Y ⊗≫ (η_ (ᘁZ) Z ▷ Y ≫ (ᘁZ ⊗ Z) ◁ f) ⊗≫ ᘁZ ◁ ε_ (ᘁZ) Z

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
inst✝¹ : DivisionRing K
ι : Type u_1
inst✝ : Fintype ι
b : ι → ι → K
hb : LinearIndependent K b
⊢ ⇑(basisOfPiSpaceOfLinearIndependent hb) = b

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝² : DivisionRing K
inst✝¹ : AddCommGroup V
inst✝ : Module K V
s : Finset V
hs : s.Nonempty
lin_ind : LinearIndependent K Subtype.val
card_eq : s.card = finrank K V
⊢ ⇑(finsetBasisOfLinearIndependentOfCardEqFinrank hs lin_ind card_eq) = Subtype.val

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁴ : DivisionRing K
inst✝³ : AddCommGroup V
inst✝² : Module K V
s : Set V
inst✝¹ : Nonempty ↑s
inst✝ : Fintype ↑s
lin_ind : LinearIndependent K Subtype.val
card_eq : s.toFinset.card = finrank K V
⊢ ⇑(setBasisOfLinearIndependentOfCardEqFinrank lin_ind card_eq) = Subtype.val

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Z : C
inst✝ : HasLeftDual Z
f : Y ⟶ ᘁZ
⊢ 𝟙 Y ⊗≫ (η_ (ᘁZ) Z ▷ Y ≫ (ᘁZ ⊗ Z) ◁ f) ⊗≫ ᘁZ ◁ ε_ (ᘁZ) Z = f ⊗≫ η_ (ᘁZ) Z ▷ ᘁZ ⊗≫ ᘁZ ◁ ε_ (ᘁZ) Z

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝⁶ : DivisionRing K
inst✝⁵ : AddCommGroup V
inst✝⁴ : Module K V
A : Type u_1
inst✝³ : Semiring A
inst✝² : Module A V
inst✝¹ : SMul K A
inst✝ : IsScalarTower K A V
h : finrank K V = 1
⊢ IsSimpleOrder (Submodule A V)

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: F : Type u_1
E : Type u_2
inst✝² : Field F
inst✝¹ : Ring E
inst✝ : Algebra F E
hr : finrank F E = 2
i : Nontrivial E := nontrivial_of_finrank_pos (LT.lt.trans_eq zero_lt_two (Eq.symm hr))
h : ⊥ = ⊤
⊢ False

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
Y Z : C
inst✝ : HasLeftDual Z
f : Y ⟶ ᘁZ
⊢ f ⊗≫ η_ (ᘁZ) Z ▷ ᘁZ ⊗≫ ᘁZ ◁ ε_ (ᘁZ) Z = f ≫ (ρ_ ᘁZ).inv

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasLeftDual X
inst✝ : HasLeftDual Y
f : X ⟶ Y
⊢ (tensorLeftHomEquiv (ᘁY) (ᘁX) X (𝟙_ C)) (f ▷ ᘁY ≫ ε_ (ᘁY) Y) = (ᘁf) ≫ (ρ_ ᘁX).inv

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasRightDual X
inst✝ : HasRightDual Y
f : X ⟶ Y
⊢ (tensorRightHomEquiv Yᘁ X Xᘁ (𝟙_ C)) (Yᘁ ◁ f ≫ ε_ Y Yᘁ) = fᘁ ≫ (λ_ Xᘁ).inv

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: F : Type u_1
E : Type u_2
inst✝² : Field F
inst✝¹ : Ring E
inst✝ : Algebra F E
hr : finrank F E = 2
i : Nontrivial E := nontrivial_of_finrank_pos (LT.lt.trans_eq zero_lt_two (Eq.symm hr))
⊢ ∀ (a : Subalgebra F E), a = ⊥ ∨ a = ⊤

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y : C
inst✝ : HasRightDual X
f : Y ⟶ Xᘁ
⊢ (tensorRightHomEquiv Y X Xᘁ (𝟙_ C)) (f ▷ X ≫ ε_ X Xᘁ) = 𝟙 Y ⊗≫ (Y ◁ η_ X Xᘁ ≫ f ▷ (X ⊗ Xᘁ)) ⊗≫ ε_ X Xᘁ ▷ Xᘁ

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y : C
inst✝ : HasRightDual X
f : Y ⟶ Xᘁ
⊢ 𝟙 Y ⊗≫ (Y ◁ η_ X Xᘁ ≫ f ▷ (X ⊗ Xᘁ)) ⊗≫ ε_ X Xᘁ ▷ Xᘁ = f ⊗≫ Xᘁ ◁ η_ X Xᘁ ⊗≫ ε_ X Xᘁ ▷ Xᘁ

Tactic:
whisker_exchange

Goal state after:
C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y : C
inst✝ : HasRightDual X
f : Y ⟶ Xᘁ
⊢ 𝟙 Y ⊗≫ (f ▷ 𝟙_ C ≫ Xᘁ ◁ η_ X Xᘁ) ⊗≫ ε_ X Xᘁ ▷ Xᘁ = f ⊗≫ Xᘁ ◁ η_ X Xᘁ ⊗≫ ε_ X Xᘁ ▷ Xᘁ
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : FiniteDimensional K V
f : End K V
h_contra : ∀ x ≤ finrank K V, ¬LinearMap.ker (f ^ x) = LinearMap.ker (f ^ x.succ)
n : ℕ
ih : n ≤ (finrank K V).succ → n ≤ finrank K ↥(LinearMap.ker (f ^ n))
hn : n + 1 ≤ (finrank K V).succ
⊢ LinearMap.ker (f ^ n) < LinearMap.ker (f ^ n.succ)

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : FiniteDimensional K V
f : End K V
h_contra : ∀ x ≤ finrank K V, ¬LinearMap.ker (f ^ x) = LinearMap.ker (f ^ x.succ)
n : ℕ
ih : n ≤ (finrank K V).succ → n ≤ finrank K ↥(LinearMap.ker (f ^ n))
hn : n + 1 ≤ (finrank K V).succ
h_ker_lt_ker : LinearMap.ker (f ^ n) < LinearMap.ker (f ^ n.succ)
⊢ finrank K ↥(LinearMap.ker (f ^ n)) < finrank K ↥(LinearMap.ker (f ^ n.succ))

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y : C
inst✝ : HasRightDual X
f : Y ⟶ Xᘁ
⊢ 𝟙 Y ⊗≫ (Y ◁ η_ X Xᘁ ≫ f ▷ (X ⊗ Xᘁ)) ⊗≫ ε_ X Xᘁ ▷ Xᘁ = f ⊗≫ Xᘁ ◁ η_ X Xᘁ ⊗≫ ε_ X Xᘁ ▷ Xᘁ

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X Y : C
inst✝ : HasRightDual X
f : Y ⟶ Xᘁ
⊢ f ⊗≫ Xᘁ ◁ η_ X Xᘁ ⊗≫ ε_ X Xᘁ ▷ Xᘁ = f ≫ (λ_ Xᘁ).inv

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : FiniteDimensional K V
f : End K V
h_contra : ∀ x ≤ finrank K V, ¬LinearMap.ker (f ^ x) = LinearMap.ker (f ^ x.succ)
⊢ ∀ n ≤ (finrank K V).succ, n ≤ finrank K ↥(LinearMap.ker (f ^ n))

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasRightDual X
inst✝ : HasRightDual Y
f : X ⟶ Y
⊢ η_ Y Yᘁ ≫ Y ◁ fᘁ = η_ X Xᘁ ≫ f ▷ Xᘁ

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : FiniteDimensional K V
f : End K V
⊢ ∃ k ≤ finrank K V, LinearMap.ker (f ^ k) = LinearMap.ker (f ^ k.succ)

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasLeftDual X
inst✝ : HasLeftDual Y
f : X ⟶ Y
⊢ (X ◁ ᘁf) ≫ ε_ (ᘁX) X = f ▷ ᘁY ≫ ε_ (ᘁY) Y

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasLeftDual X
inst✝ : HasLeftDual Y
f : X ⟶ Y
⊢ η_ (ᘁY) Y ≫ (ᘁf) ▷ Y = η_ (ᘁX) X ≫ ᘁX ◁ f

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝³ : Category.{v₁, u₁} C
inst✝² : MonoidalCategory C
X Y : C
inst✝¹ : HasRightDual X
inst✝ : HasRightDual Y
f : X ⟶ Y
⊢ fᘁ ▷ X ≫ ε_ X Xᘁ = Yᘁ ◁ f ≫ ε_ Y Yᘁ

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : FiniteDimensional K V
f : End K V
m : ℕ
hm : finrank K V ≤ m
k : ℕ
h_k_le : k ≤ finrank K V
hk : LinearMap.ker (f ^ k) = LinearMap.ker (f ^ k.succ)
⊢ LinearMap.ker (f ^ m) = LinearMap.ker (f ^ (k + (m - k)))

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X X' Y : C
inst✝ : ExactPairing X' Y
i : X ≅ X'
⊢ Y ◁ (η_ X' Y ≫ i.inv ▷ Y) ≫ (α_ Y X Y).inv ≫ (Y ◁ i.hom ≫ ε_ X' Y) ▷ Y =
    Y ◁ η_ X' Y ≫ Y ◁ (i.inv ≫ i.hom) ▷ Y ⊗≫ ε_ X' Y ▷ Y

Tactic:
by

Goal state after:
Module: Mathlib.CategoryTheory.Monoidal.Rigid.Basic

Goal state before:
pp: C : Type u₁
inst✝² : Category.{v₁, u₁} C
inst✝¹ : MonoidalCategory C
X X' Y : C
inst✝ : ExactPairing X' Y
i : X ≅ X'
⊢ Y ◁ η_ X' Y ≫ Y ◁ (i.inv ≫ i.hom) ▷ Y ⊗≫ ε_ X' Y ▷ Y = Y ◁ η_ X' Y ⊗≫ ε_ X' Y ▷ Y

Tactic:
by

Goal state after:
Module: Mathlib.LinearAlgebra.FiniteDimensional.Lemmas

Goal state before:
pp: K : Type u
V : Type v
inst✝³ : DivisionRing K
inst✝² : AddCommGroup V
inst✝¹ : Module K V
inst✝ : FiniteDimensional K V
f : End K V
m : ℕ
hm : finrank K V ≤ m
k : ℕ
h_k_le : k ≤ finrank K V
hk : LinearMap.ker (f ^ k) = LinearMap.ker (f ^ k.succ)
⊢ LinearMap.ker (f ^ (k + (m - k))) = LinearMap.ker (f ^ k)

Tactic:
by

Goal state after: