fact: Definition make_isCoproduct (hsC : has_homsets C) (a : I -> C) (co : C) (f : ∏ i, a i --> co) : (∏ (c : C) (g : ∏ i, a i --> c), ∃! k : C ⟦co, c⟧, ∏ i, f i · k = g i) → isCoproduct a co f.
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