∀ (C : Type u_1) [inst : CategoryTheory.Category.{v_1, u_1} C] [inst_1 : CategoryTheory.MonoidalCategory C] {X Y : C}
  (f : X ⟶ Y) (j X₃ : C),
  (((CategoryTheory.BraidedCategory.Hexagon.functor₂₁₃' C).map f).app j).app X₃ =
    CategoryTheory.MonoidalCategoryStruct.whiskerLeft j (CategoryTheory.MonoidalCategoryStruct.whiskerRight f X₃)