Definition und_ver_cat_is_precategory (C: predoublecategory_hor_sq) : is_precategory (und_ver_cat_precategory_data C) := make_is_precategory_one_assoc (get_und_ver_left_unit C) (get_und_ver_right_unit C) (get_und_ver_assoc 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.