fact: Definition disp_id2_invertible_2cell {C : bicat} {D : disp_prebicat C} {a b : C} {f : C⟦a, b⟧} {aa : D a} {bb : D b} (ff : aa -->[ f ] bb) : disp_invertible_2cell (id2_invertible_2cell f) ff ff.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Bicategories.Core.Bicat UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Isos UniMath.Bicategories.DisplayedBicats.DispBicat UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.Invertible_2cells