proposition: Proposition horizontal_dual_double_bicat_laws : double_bicat_laws horizontal_dual_ver_bicat_sq_id_comp_whisker.
proof: Proof. use make_double_bicat_laws. - exact horizontal_dual_whisker_square_bicat_law. - exact horizontal_dual_double_bicat_id_comp_square_laws. - exact horizontal_dual_double_bicat_cylinder_laws. - intro ; intros. apply isaset_square_double_bicat. Qed.
imports: UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.UnivalenceOp UniMath.Bicategories.Core.Examples.OpMorBicat UniMath.Bicategories.Core.Examples.OpCellBicat UniMath.Bicategories.DoubleCategories.DoubleBicat.VerityDoubleBicat UniMath.Bicategories.DoubleCategories.DoubleBicat.DerivedLaws UniMath.Bicategories.DoubleCategories.DoubleBicat.CellsAndSquares UniMath.Bicategories.DoubleCategories.DoubleBicat.UnderlyingCats UniMath.Bicategories.DoubleCategories.DoubleBicat.LocalUnivalence