proposition: Lemma isaprop_is_univalent (C : category) : isaprop (is_univalent C).
proof: Proof. apply impred. intro a. apply impred. intro b. apply isapropisweq. Qed.
imports: UniMath.Foundations.PartA UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos