fact: Definition disp_nat_z_iso_comp {α: nat_z_iso F G} {α': nat_z_iso G H} (β: disp_nat_z_iso DF DG α) (β': disp_nat_z_iso DG DH α') : disp_nat_z_iso DF DH (nat_z_iso_comp α α') .
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