Theorems · Theorem · category theory

CategoryTheory.Adjunction.comp_unit_app

∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] {D : Type u₂} [inst_1 : CategoryTheory.Category.{v₂, u₂} D]
  {E : Type u₃} [inst_2 : CategoryTheory.Category.{v₃, u₃} E] {F : CategoryTheory.Functor C D}
  {G : CategoryTheory.Functor D C} {H : CategoryTheory.Functor D E} {I : CategoryTheory.Functor E D} (adj₁ : F ⊣ G)
  (adj₂ : H ⊣ I) (X : C),
  (adj₁.comp adj₂).unit.app X = CategoryTheory.CategoryStruct.comp (adj₁.unit.app X) (G.map (adj₂.unit.app (F.obj X)))

Defined in

Mathlib.CategoryTheory.Adjunction.Basic

Cited by

25 results in Mathlib

Foundations

Depth 30 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.Category