Definition make_z_iso {C : precategory_data} {a b : C} (f : a --> b) (g : b --> a) (H : is_inverse_in_precat f g) : z_iso a b := (f,,make_is_z_isomorphism f g H).
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.