∀ {C : Type u₁} {inst : CategoryTheory.Category.{v₁, u₁} C} {inst_1 : CategoryTheory.MonoidalCategory C}
  {inst_2 : CategoryTheory.BraidedCategory C} (M : C) [self : CategoryTheory.BimonObj M] {Z : C}
  (h : CategoryTheory.MonoidalCategoryStruct.tensorUnit C ⟶ Z),
  CategoryTheory.CategoryStruct.comp CategoryTheory.MonObj.one
      (CategoryTheory.CategoryStruct.comp CategoryTheory.ComonObj.counit h) =
    h