{C : Type u₁} →
  [inst : CategoryTheory.Category.{v₁, u₁} C] →
    [inst_1 : CategoryTheory.MonoidalCategory C] →
      (X Y : C) →
        [CategoryTheory.ExactPairing X Y] →
          CategoryTheory.MonoidalCategoryStruct.tensorUnit C ⟶ CategoryTheory.MonoidalCategoryStruct.tensorObj X Y