Theorems · Definition · category theory

CategoryTheory.InjectiveResolution.descFOne

{C : Type u} →
  [inst : CategoryTheory.Category.{v, u} C] →
    [inst_1 : CategoryTheory.Abelian C] →
      {Y Z : C} →
        (Z ⟶ Y) →
          (I : CategoryTheory.InjectiveResolution Y) →
            (J : CategoryTheory.InjectiveResolution Z) → J.cocomplex.X 1 ⟶ I.cocomplex.X 1

Auxiliary construction for desc.

Defined in

Mathlib.CategoryTheory.Abelian.Injective.Resolution

Cited by

1 results in Mathlib

Foundations

Depth 97 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.Abelian