Theorems · Theorem · category theory

CategoryTheory.Bicategory.whiskerLeft_iff

∀ {B : Type u} [inst : CategoryTheory.Bicategory B] {a b : B} {f g : a ⟶ b} (η θ : f ⟶ g),
  CategoryTheory.Bicategory.whiskerLeft (CategoryTheory.CategoryStruct.id a) η =
      CategoryTheory.Bicategory.whiskerLeft (CategoryTheory.CategoryStruct.id a) θ ↔
    η = θ

Defined in

Mathlib.CategoryTheory.Bicategory.Basic

Cited by

2 results in Mathlib

Foundations

Depth 19 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.Bicategory