Theorems · Theorem · category theory

CategoryTheory.Functor.LeftExtension.precomp_obj_hom_app

∀ {C : Type u_1} {C' : Type u_2} {H : Type u_3} {D : Type u_4} [inst : CategoryTheory.Category.{v_1, u_1} C]
  [inst_1 : CategoryTheory.Category.{v_2, u_2} C'] [inst_2 : CategoryTheory.Category.{v_3, u_3} H]
  [inst_3 : CategoryTheory.Category.{v_4, u_4} D] (L : CategoryTheory.Functor C D) (F : CategoryTheory.Functor C H)
  (G : CategoryTheory.Functor C' C)
  (X : CategoryTheory.Comma (CategoryTheory.Functor.fromPUnit F) ((CategoryTheory.Functor.whiskeringLeft C D H).obj L))
  (X_1 : C'), ((CategoryTheory.Functor.LeftExtension.precomp L F G).obj X).hom.app X_1 = X.hom.app (G.obj X_1)

Defined in

Mathlib.CategoryTheory.Functor.KanExtension.Basic

Cited by

2 results in Mathlib

Foundations

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

Assumes

CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.Category