fact: Definition coproduct_of_functors_alt_old (I : UU) {C D : category} (HD : Coproducts I D) (F : I -> functor C D) : functor C D := functor_composite (delta_functor I C) (functor_composite (family_functor _ F) (coproduct_functor _ HD)).
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.ProductCategory UniMath.CategoryTheory.Limits.Graphs.Colimits UniMath.CategoryTheory.whiskering