Definition predoublecategory_ob_mor_sq_data_from_predoublecategory_sq_hor_data (C : predoublecategory_sq_hor_data) : predoublecategory_ob_mor_sq_data := pr1 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.