Mathlib Map

Theorems · Definition · category theory

CategoryTheory.Pretriangulated.TriangleOpEquivalence.unitIso

(C : Type u_1) →
  [inst : CategoryTheory.Category.{v_1, u_1} C] →
    [inst_1 : CategoryTheory.HasShift C ℤ] →
      CategoryTheory.Functor.id (CategoryTheory.Pretriangulated.Triangle C)ᵒᵖ ≅
        (CategoryTheory.Pretriangulated.TriangleOpEquivalence.functor C).comp
          (CategoryTheory.Pretriangulated.TriangleOpEquivalence.inverse C)

The unit isomorphism of the equivalence triangleOpEquivalence C : (Triangle C)ᵒᵖ ≌ Triangle Cᵒᵖ .

Defined in
Mathlib.CategoryTheory.Triangulated.Opposite.Triangle
Cited by
3 results in Mathlib
Foundations
Depth 63 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CategoryTheory.CategoryCategoryTheory.HasShift

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites31

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by4

Results whose statement or proof uses this declaration.