fact: Definition id_coslice_precat (c : coslice_precat_ob_mor) : c --> c := tpair _ _ (id_right (pr2 c)).
imports: UniMath.Foundations.PartA UniMath.Foundations.PartD UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Total