Definition und_ver_cat_ob_mor (C: predoublecategory_hor_sq) : und_ver_cat_ob C → und_ver_cat_ob C → UU := fun c d => (get_und_ver_cat_ob_mor c d).
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.