∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] [inst_1 : CategoryTheory.MonoidalCategory C]
  [inst_2 : CategoryTheory.BraidedCategory C] (X Y : Cᴹᵒᵖ),
  CategoryTheory.Functor.OplaxMonoidal.δ (CategoryTheory.unmopFunctor C) X Y = (β_ X.unmop Y.unmop).inv