Definition disp_nat_z_iso_to_trans_inv {α: nat_z_iso F G} (β :disp_nat_z_iso DF DG α) : disp_nat_trans (nat_z_iso_to_trans_inv α) DG DF := (disp_nat_z_iso_to_trans_inv_data β,, disp_nat_z_iso_to_trans_inv_axioms β).
Require Import UniMath.Foundations.Sets. Require Import UniMath.MoreFoundations.PartA. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.NaturalTransformations. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.whiskering. Require Import UniMath.CategoryTheory.FunctorCategory. Require Import UniMath.CategoryTheory.DisplayedCats.Core. Require Import UniMath.CategoryTheory.DisplayedCats.Functors. Require Import UniMath.CategoryTheory.DisplayedCats.Isos.