proposition: Lemma when_bifunctor_becomes_rightwhiskering (F : bifunctor) {a1 a2 : A} (b : B) (f: A⟦a1, a2⟧): f ⊗^{ F } identity b = f ⊗^{F}_{r} b.
proof: Proof. unfold functoronmorphisms1. rewrite bifunctor_leftid. apply id_right. Qed.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Core.Functors UniMath.CategoryTheory.Core.Isos UniMath.CategoryTheory.PrecategoryBinProduct UniMath.CategoryTheory.FunctorCategory UniMath.CategoryTheory.Core.NaturalTransformations UniMath.CategoryTheory.Limits.BinCoproducts UniMath.CategoryTheory.Limits.Coproducts UniMath.CategoryTheory.ProductCategory