Definition und_ver_cat_precategory_data (C: predoublecategory_hor_sq) : precategory_data := make_precategory_data (make_precategory_ob_mor (und_ver_cat_ob C) (und_ver_cat_ob_mor C)) (und_ver_cat_id C) (und_ver_cat_comp C).
Require Import UniMath.Foundations.Propositions. Require Import UniMath.Foundations.Sets. Require Import UniMath.MoreFoundations.PartA. Require Import UniMath.MoreFoundations.Notations. Require Import UniMath.CategoryTheory.Core.Prelude. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence.