∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] [inst_1 : CategoryTheory.MonoidalCategory C] {D : Type u₂}
  [inst_2 : CategoryTheory.Category.{v₂, u₂} D] [inst_3 : CategoryTheory.MonoidalCategory D]
  {F : CategoryTheory.Functor C D} {G : CategoryTheory.Functor D C} {adj : F ⊣ G} [inst_4 : F.OplaxMonoidal]
  [inst_5 : G.LaxMonoidal],
  autoParam
      (CategoryTheory.Functor.LaxMonoidal.ε G =
        CategoryTheory.CategoryStruct.comp (adj.unit.app (CategoryTheory.MonoidalCategoryStruct.tensorUnit C))
          (G.map (CategoryTheory.Functor.OplaxMonoidal.η F)))
      CategoryTheory.Adjunction.IsMonoidal.leftAdjoint_ε._autoParam →
    autoParam
        (∀ (X Y : D),
          CategoryTheory.Functor.LaxMonoidal.μ G X Y =
            CategoryTheory.CategoryStruct.comp
              (adj.unit.app (CategoryTheory.MonoidalCategoryStruct.tensorObj (G.obj X) (G.obj Y)))
              (G.map
                (CategoryTheory.CategoryStruct.comp (CategoryTheory.Functor.OplaxMonoidal.δ F (G.obj X) (G.obj Y))
                  (CategoryTheory.MonoidalCategoryStruct.tensorHom (adj.counit.app X) (adj.counit.app Y)))))
        CategoryTheory.Adjunction.IsMonoidal.leftAdjoint_μ._autoParam →
      adj.IsMonoidal