fact: Definition get_has_sq_hor_homsets {C : doublecategory} {a b c d : C} (g: a -v-> c) (h: b -v-> d) (f : a -h-> b) (k : c -h-> d) :isaset (Sq[ a -hv- f h -hv-> b, c -vh- g k -vh-> d]) := (pr22 C) a b c d g h f k.
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