∀ {D : Type u_1} {D' : Type u_2} {inst : CategoryTheory.Category.{v_1, u_1} D}
  {inst_1 : CategoryTheory.Category.{v_2, u_2} D'} (F : CategoryTheory.Functor D D') {C : Type u_3}
  {inst_2 : CategoryTheory.Category.{v_3, u_3} C} {inst_3 : CategoryTheory.MonoidalCategory C}
  {inst_4 : CategoryTheory.MonoidalCategory.MonoidalRightAction C D}
  {inst_5 : CategoryTheory.MonoidalCategory.MonoidalRightAction C D'} [self : F.LaxRightLinear C] (d : D),
  (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionUnitIso (F.obj d)).hom =
    CategoryTheory.CategoryStruct.comp
      (CategoryTheory.Functor.LaxRightLinear.μᵣ F d (CategoryTheory.MonoidalCategoryStruct.tensorUnit C))
      (F.map (CategoryTheory.MonoidalCategory.MonoidalRightActionStruct.actionUnitIso d).hom)