Definition precatbinprod_z_iso {C D : category} {X X' : C} {Z Z' : D} (α : z_iso X X') (β : z_iso Z Z') : z_iso (X ⊗ Z) (X' ⊗ Z') := (pr1 α,, pr1 β) ,, is_z_iso_binprod_z_iso (pr2 α)(pr2 β).
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.Core.Univalence. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.FunctorCategory. Require Import UniMath.CategoryTheory.opp_precat.