fact: Definition is_z_iso_fiber_from_is_z_iso_disp {C : category} {D : disp_cat C} {c : C} {d d' : D c} (ff : d -->[identity c] d') (Hff : is_z_iso_disp (identity_z_iso c) ff) : @is_z_isomorphism (fiber_category D c) _ _ ff.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All 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 UniMath.CategoryTheory.DisplayedCats.Total