Theorems · Theorem · category theory

CategoryTheory.Bicategory.id_whiskerLeft

∀ {B : Type u} [self : CategoryTheory.Bicategory B] {a b : B} {f g : a ⟶ b} (η : f ⟶ g),
  CategoryTheory.Bicategory.whiskerLeft (CategoryTheory.CategoryStruct.id a) η =
    CategoryTheory.CategoryStruct.comp (CategoryTheory.Bicategory.leftUnitor f).hom
      (CategoryTheory.CategoryStruct.comp η (CategoryTheory.Bicategory.leftUnitor g).inv)

Defined in

Mathlib.CategoryTheory.Bicategory.Basic

Cited by

9 results in Mathlib

Foundations

Depth 4 from the axioms · uses no axioms

Assumes

CategoryTheory.Bicategory