Theorems · Definition · category theory

CategoryTheory.Bicategory.RightLift.whiskerOfIdCompIsoSelf

{B : Type u} →
  [inst : CategoryTheory.Bicategory B] →
    {a b c : B} →
      {f : b ⟶ a} →
        {g : c ⟶ a} →
          (t : CategoryTheory.Bicategory.RightLift f g) → (t.whisker (CategoryTheory.CategoryStruct.id c)).ofIdComp ≅ t

The isomorphism between right lifts induced by a left unitor.

Defined in

Mathlib.CategoryTheory.Bicategory.Extension

Cited by

2 results in Mathlib

Foundations

Depth 29 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.Bicategory