Definition isaprop_iso_comma_twosided_mor {x₁ x₂ : C₁} {y₁ y₂ : C₂} (xy₁ : iso_comma_twosided_disp_cat_data x₁ y₁) (xy₂ : iso_comma_twosided_disp_cat_data x₂ y₂) (f : x₁ --> x₂) (g : y₁ --> y₂) : isaprop (xy₁ -->[ f ][ g ] xy₂).
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.Core.Univalence. Require Import UniMath.CategoryTheory.PrecategoryBinProduct. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Isos. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Discrete.