fact: Definition is_disp_nat_z_iso {DF: disp_functor F D D'} {DG: disp_functor G D D'} (α: nat_z_iso F G) (β: disp_nat_trans α DF DG) : UU := ∏ (c:C) (d:D c), is_z_iso_disp (nat_z_iso_pointwise_z_iso α c) (β c d).
imports: UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.whiskering UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Functors UniMath.CategoryTheory.DisplayedCats.Isos