fact: Definition make_are_companions {B : verity_double_bicat} {x y : B} (h : x --> y) (v : x -|-> y) (φ : square_double_bicat h (id_h y) v (id_v y)) (ψ : square_double_bicat (id_h x) h (id_v x) v) (p : runitor _ ▹s (linvunitor _ ◃s ψ ⋆v φ) = id_h_square_bicat _) (q : runitor _ ▿s (linvunitor _ ▵s ψ ⋆h φ) = id_v_square_bicat _) : are_companions h v := φ ,, ψ ,, p ,, q.
imports: UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.TwoSidedDisplayedCats.TwoSidedDispCat UniMath.Bicategories.Core.Bicat UniMath.Bicategories.Core.Unitors UniMath.Bicategories.Core.Invertible_2cells UniMath.Bicategories.Core.Univalence UniMath.Bicategories.Core.BicategoryLaws UniMath.Bicategories.Morphisms.Adjunctions 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 UniMath.Bicategories.DoubleCategories.Examples.TransposeDoubleBicat