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