Theorems · Definition · category theory

CategoryTheory.Functor.biproductComparison

{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {D : Type u₂} →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} D] →
        [inst_2 : CategoryTheory.Limits.HasZeroMorphisms C] →
          [inst_3 : CategoryTheory.Limits.HasZeroMorphisms D] →
            {J : Type w₁} →
              (F : CategoryTheory.Functor C D) →
                (f : J → C) →
                  [inst_4 : CategoryTheory.Limits.HasBiproduct f] →
                    [inst_5 : CategoryTheory.Limits.HasBiproduct (F.obj ∘ f)] → F.obj (⨁ f) ⟶ ⨁ F.obj ∘ f

As for products, any functor between categories with biproducts gives rise to a morphism F.obj (⨁ f) ⟶ ⨁ (F.obj ∘ f).

Defined in

Mathlib.CategoryTheory.Limits.Preserves.Shapes.Biproducts

Cited by

9 results in Mathlib

Foundations

Depth 33 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CategoryTheory.CategoryCategoryTheory.CategoryCategoryTheory.Limits.HasZeroMorphismsCategoryTheory.Limits.HasZeroMorphismsCategoryTheory.Limits.HasBiproductCategoryTheory.Limits.HasBiproduct