fact: Definition is_univalent (C : category) := ∏ (a b : ob C), isweq (fun p : a = b => idtoiso p).
imports: UniMath.Foundations.PartA UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Tactics UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos