Theorems · Definition · category theory

CategoryTheory.Bicategory.LeftExtension.whiskerIso

{B : Type u} →
  [inst : CategoryTheory.Bicategory B] →
    {a b c : B} →
      {f : a ⟶ b} →
        {g : a ⟶ c} →
          {s t : CategoryTheory.Bicategory.LeftExtension f g} →
            (s ≅ t) → {x : B} → (h : c ⟶ x) → s.whisker h ≅ t.whisker h

Construct an isomorphism between whiskered extensions.

Defined in

Mathlib.CategoryTheory.Bicategory.Extension

Cited by

0 results in Mathlib

Foundations

Depth 34 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.Bicategory