proposition: Lemma CokernelOutPaths_is_iso {x y : C} {f f' : x --> y} (e : f = f') (CK1 : Cokernel Z f) (CK2 : Cokernel Z f') : is_iso (CokernelOutPaths_is_iso_mor e CK1 CK2).
proof: Proof. induction e. apply CokernelsOut_is_iso. Qed.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Epis UniMath.CategoryTheory.Limits.Coequalizers UniMath.CategoryTheory.Limits.Zero