fact: Definition is_z_iso_total {C : category} {D : disp_cat C} {xx yy : total_category D} (ff : xx --> yy) (i : is_z_isomorphism (pr1 ff)) (fi := pr1 ff,, i) (ii : is_z_iso_disp fi (pr2 ff)) : is_z_isomorphism ff.
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.AxiomOfChoice UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Functors UniMath.CategoryTheory.DisplayedCats.NaturalTransformations UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Univalence