fact: Definition is_z_iso_disp_codomain {C : category} {x : C} {fy gz : disp_codomain C x} (φp : fy -->[ identity x ] gz) (H : is_z_isomorphism (pr1 φp)) : is_z_iso_disp (identity_z_iso x) φp.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.Limits.Pullbacks UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Univalence UniMath.CategoryTheory.DisplayedCats.Fibrations