fact: Definition get_und_ver_cat_ob {C: predoublecategory_hor_sq} {a b : C} (f: a -v-> b) : und_ver_cat_ob C := (a,, (b,, f)).
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