Definition disp_cat_to_twosided_disp_cat (D : disp_cat (category_binproduct C₁ C₂)) : twosided_disp_cat C₁ C₂. Proof. simple refine (_ ,, _). - exact (disp_cat_to_twosided_disp_cat_data D). - exact (disp_cat_to_twosided_disp_cat_axioms D). Defined.
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.