fact: Definition make_z_iso' {C : precategory_data} {a b : C} (f : a --> b) (H : is_z_isomorphism f) : z_iso a b := (f,,H).
imports: UniMath.Foundations.PartA UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories