Proposition isaset_double_runitor_data {C : category} {D : twosided_disp_cat C C} (I : hor_id D) (Cm : hor_comp D) : isaset (double_runitor_data I Cm). Proof. use impred_isaset ; intro x. use impred_isaset ; intro y. use impred_isaset ; intro h. apply isaset_iso_twosided_disp. Qed.
Require Import UniMath.Foundations.All. Require Import UniMath.MoreFoundations.All. Require Import UniMath.CategoryTheory.Core.Categories. Require Import UniMath.CategoryTheory.Core.Isos. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat. Require Import UniMath.CategoryTheory.TwoSidedDisplayedCats.Isos.