fact: Definition make_Coroof (x y z : ob C) (f : x --> z) (s : y --> z) (e : SOM y z s) : Coroof x y := tpair _ (tpair _ z (f,,s)) e.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors