{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    {V : Type u₂} →
      [inst_1 : CategoryTheory.Category.{v₂, u₂} V] →
        [inst_2 : CategoryTheory.MonoidalCategory C] →
          [inst_3 : CategoryTheory.MonoidalCategory V] →
            {F G : CategoryTheory.Functor C V} →
              (convolution : CategoryTheory.Functor C V) →
                (unit :
                    CategoryTheory.MonoidalCategory.externalProduct F G ⟶
                      (CategoryTheory.MonoidalCategory.tensor C).comp convolution) →
                  (CategoryTheory.Functor.LeftExtension.mk convolution unit).IsPointwiseLeftKanExtension →
                    CategoryTheory.MonoidalCategory.DayConvolution F G