fact: Definition inv_mor_disp_from_z_iso {C : precategory} {D : disp_cat_data C} {x y : C} {f : z_iso x y}{xx : D x} {yy : D y} {ff : xx -->[f] yy} (i : is_z_iso_disp f ff) : _ -->[ _ ] _ := pr1 i.
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.DisplayedCats.Core