Definition ver_op_twosided_disp_cat_ob_mor : twosided_disp_cat_ob_mor (C₁^op) (C₂^op). Proof. simple refine (_ ,, _). - exact (λ x y, D x y). - exact (λ x₁ x₂ y₁ y₂ xy₁ xy₂ f g, xy₂ -->[ f ][ g ] xy₁). Defined.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Functors. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.opp_precat. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Isos. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Strictness.