fact: Definition get_predoublecat_sq_special {C: predoublecategory_ob_mor_sq_data} {a b : C} (g: a -v-> b) (h: a -v-> b): UU := sqq (hor_identity a) g h (hor_identity b).
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