fact: Definition make_iso {C : precategory_data} {a b : C} (f : a --> b) (fiso: is_iso f) : iso a b := (f,,fiso).
imports: UniMath.Foundations.PartA UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories