fact: Definition strict_fiber_bicat_invertible_2cell {B : bicat} {D : disp_bicat B} {HD : local_iso_cleaving D} {b : B} {x y : strict_fiber_bicat D HD b} {f g : x --> y} {α : f ==> g} (Hα : is_disp_invertible_2cell (id2_invertible_2cell _) α) : is_invertible_2cell α.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Constructions UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Unitors UniMath.Bicategories.DisplayedBicats.DispBicat UniMath.Bicategories.DisplayedBicats.DispUnivalence UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.DisplayedBicats.CleavingOfBicat UniMath.Bicategories.DisplayedBicats.FiberCategory UniMath.Bicategories.DisplayedBicats.FiberBicategory.FiberBicategory1