∀ {C : Type u_4} [inst : CategoryTheory.Category.{u_3, u_4} C] [inst_1 : CategoryTheory.MonoidalCategory C]
  {D : Type u_2} [inst_2 : CategoryTheory.Category.{u_1, u_2} D] [inst_3 : CategoryTheory.MonoidalCategory D]
  {F : CategoryTheory.Functor C D} (h : F.CoreMonoidal) (X Y Z : C),
  CategoryTheory.CategoryStruct.comp (CategoryTheory.MonoidalCategoryStruct.whiskerRight (h.μIso X Y).hom (F.obj Z))
      (CategoryTheory.CategoryStruct.comp (h.μIso (CategoryTheory.MonoidalCategoryStruct.tensorObj X Y) Z).hom
        (F.map (CategoryTheory.MonoidalCategoryStruct.associator X Y Z).hom)) =
    CategoryTheory.CategoryStruct.comp
      (CategoryTheory.MonoidalCategoryStruct.associator (F.obj X) (F.obj Y) (F.obj Z)).hom
      (CategoryTheory.CategoryStruct.comp (CategoryTheory.MonoidalCategoryStruct.whiskerLeft (F.obj X) (h.μIso Y Z).hom)
        (h.μIso X (CategoryTheory.MonoidalCategoryStruct.tensorObj Y Z)).hom)