Definition get_ver_sq_identity {C : predoublecategory_sq_hor_ver_data} : (∏ (a b : C) (f: a -h-> b), (get_predoublecat_sq C a b a b f (ver_identity a) (ver_identity b) f)) := pr1 (pr2 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.