Definition isaprop_twosided_disp_cat_axioms (D : twosided_disp_cat_data) : isaprop (twosided_disp_cat_axioms D).
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.DisplayedCats.Core. Require Import UniMath.CategoryTheory.PrecategoryBinProduct.