fact: Definition und_ob_hor_precategory_data (C: predoublecategory_hor_precat_data) : precategory_data := make_precategory_data (und_ob_hor_ob_mor C) (pr12 C) (pr22 C).
imports: UniMath.Foundations.Propositions UniMath.Foundations.Sets UniMath.MoreFoundations.PartA UniMath.MoreFoundations.Notations UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.CategoryTheory.TwoSidedDisplayedCats.Univalence