fact: Definition iso_from_fully_faithful_reflection {C D : precategory} {F : functor C D} (HF : fully_faithful F) {a b : ob C} (f : z_iso (F a) (F b)) : z_iso a b.
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Univalence UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.TransportMorphisms UniMath.CategoryTheory.Core.Univalence