proposition: Lemma identity_functor_is_essentially_surjective (C : category) : essentially_surjective (functor_identity C).
proof: Proof. intro x. apply hinhpr. exists x. apply identity_z_iso. Qed.
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