fact: Definition is_precat_opp_precat_data (C : precategory) : is_precategory (opp_precat_data C) := ((λ a b, pr212 C b a),,(λ a b, pr112 C b a)),, ((λ a b c d f g h, pr222 C d c b a h g f),,(λ a b c d f g h, pr122 C d c b a h g f)).
imports: UniMath.Foundations.PartD UniMath.Foundations.Propositions UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Core.Univalence UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.FunctorCategory