fact: Definition get_predoublecategory_interchange_id_obj {C : predoublecategory} (a :C) : ver_sq_identity (hor_identity a) = hor_sq_identity (ver_identity a) := (pr1 (pr222 (pr222 C))) a.
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