Definition CoproductOfArrows {a b : C} (CCab : CoproductCocone a b) {c d : C} (CCcd : CoproductCocone c d) (f : a --> c) (g : b --> d) : CoproductObject CCab --> CoproductObject CCcd := CoproductArrow CCab (f · CoproductIn1 CCcd) (g · CoproductIn2 CCcd).
Require Import UniMath.Foundations.PartD. Require Import UniMath.Foundations.Propositions. Require Import UniMath.Foundations.Sets. Require Import UniMath.CategoryTheory.FunctorCategory. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Univalence. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Limits.Graphs.Colimits. Require Import UniMath.CategoryTheory.RepresentableFunctors.Representation.