fact: Definition FFinv_on_z_iso_is_z_iso {x y} {xx : D x} {yy : D y} {f : z_iso x y} (ff : FF _ xx -->[ (#F)%cat f ] FF _ yy) (Hff: is_z_iso_disp (functor_on_z_iso F f) ff) : is_z_iso_disp _ (FFinv ff).
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Adjunctions.Core UniMath.CategoryTheory.Equivalences.Core UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Functors UniMath.CategoryTheory.DisplayedCats.NaturalTransformations UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Fiber