proposition: Lemma weq_ff_functor_on_weq_isobandf_compute {C D : category} (F : functor C D) (HF : fully_faithful F) {a b : C} (f : z_iso a b) : #F f = weq_ff_functor_on_weq_isobandf HF _ _ f.
proof: Proof. apply idpath. Defined.
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