fact: Definition z_iso_disp_from_op_disp_cat {C : category} {D : disp_cat C} {x : C} {xx yy : D x} (f : @z_iso_disp _ (op_disp_cat D) _ _ (@identity_z_iso C^op x) xx yy) : z_iso_disp (identity_z_iso x) xx yy.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.opp_precat UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Isos UniMath.CategoryTheory.DisplayedCats.Univalence