proposition: Lemma z_iso_inv_of_z_iso_id {C : category} (a : ob C) : z_iso_inv_from_z_iso (identity_z_iso a) = identity_z_iso a.
proof: Proof. apply z_iso_eq. apply idpath. Qed.
imports: UniMath.Foundations.PartA UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories