Definition ap_pstrans_data : pstrans_data (ap_psfunctor HX HY f) (ap_psfunctor HX HY g). Proof. use make_pstrans_data. - exact e. - intros x y p. use make_invertible_2cell. + exact (homotsec_natural e p). + apply fundamental_groupoid_2cell_iso. Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.PrecategoryBinProduct. Require Import UniMath.Bicategories.Core.Bicat. Import Bicat.Notations. Require Import UniMath.Bicategories.Core.Invertible_2cells. Require Import UniMath.Bicategories.Core.BicategoryLaws. Require Import UniMath.Bicategories.PseudoFunctors.Display.PseudoFunctorBicat. Require Import UniMath.Bicategories.PseudoFunctors.PseudoFunctor. Require Import UniMath.Bicategories.Transformations.PseudoTransformation. Import PseudoFunctor.Notations. Require Import UniMath.Bicategories.Core.Examples.TwoType. Require Import UniMath.Bicategories.PseudoFunctors.Examples.ApFunctor.