proposition: Lemma isaprop_isCoequalizer {y z w : C} (f g : y --> z) (e : z --> w) (H : f · e = g · e) : isaprop (isCoequalizer f g e H).
proof: Proof. repeat (apply impred; intro). apply isapropiscontr. Defined.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Epis UniMath.CategoryTheory.Limits.BinCoproducts UniMath.CategoryTheory.Retracts