fact: Definition nat_z_iso_from_z_iso {C : precategory_data} {C' : precategory} (hs: has_homsets C') {F G : ob [C, C', hs]} (α : z_iso F G) : nat_z_iso F G := pr1 α ,, nat_trafo_pointwise_z_iso_if_z_iso hs (pr1 α) (pr2 α).
imports: UniMath.Foundations.Propositions UniMath.MoreFoundations.Tactics UniMath.MoreFoundations.Univalence UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.TransportMorphisms UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence