proposition: Lemma pregroupoid_hom_weq_iso_idtoiso {pgpd : pregroupoid} (a : pgpd) : pregroupoid_hom_weq_iso a a (identity a) = idtoiso (idpath a).
proof: Proof. apply z_iso_eq; reflexivity. Defined.
imports: UniMath.Foundations.PartA UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Setcategories UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.opp_precat