Theorems · Theorem · category theory

CategoryTheory.Functor.hom_ext_of_isRightKanExtension

∀ {C : Type u_1} {H : Type u_3} {D : Type u_4} [inst : CategoryTheory.Category.{v_1, u_1} C]
  [inst_1 : CategoryTheory.Category.{v_3, u_3} H] [inst_2 : CategoryTheory.Category.{v_4, u_4} D]
  (F' : CategoryTheory.Functor D H) {L : CategoryTheory.Functor C D} {F : CategoryTheory.Functor C H}
  (α : L.comp F' ⟶ F) [F'.IsRightKanExtension α] {G : CategoryTheory.Functor D H} (γ₁ γ₂ : G ⟶ F'),
  CategoryTheory.CategoryStruct.comp (L.whiskerLeft γ₁) α = CategoryTheory.CategoryStruct.comp (L.whiskerLeft γ₂) α →
    γ₁ = γ₂

Defined in

Mathlib.CategoryTheory.Functor.KanExtension.Basic

Cited by

4 results in Mathlib

Foundations

Depth 31 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.Functor.IsRightKanExtension