proposition: Proposition square_double_bicat_laws : double_bicat_laws square_ver_bicat_sq_id_comp_whisker.
proof: Proof. use make_double_bicat_laws. - exact square_whisker_square_bicat_law. - exact square_double_bicat_id_comp_square_laws. - exact square_double_bicat_cylinder_laws. - intro ; intros. apply cellset_property. Qed.
imports: UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Morphisms.Adjunctions UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.EquivToAdjequiv UniMath.Bicategories.Core.AdjointUnique UniMath.Bicategories.DoubleCategories.DoubleBicat.Core