fact: Definition make_predoublecategory_hor (C : predoublecategory_hor_precat_data) (H : is_predoublecategory_hor C) : predoublecategory_hor := tpair _ C H.
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