proposition: Lemma isaprop_is_univalent_dagger {C : category} (dag : dagger C) : isaprop (is_univalent_dagger dag).
proof: Proof. do 2 (apply impred_isaprop ; intro) ; apply isapropisweq. Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.DaggerCategories.Categories UniMath.CategoryTheory.DaggerCategories.Unitary