∀ {C : Type u₁} [inst : CategoryTheory.Category.{v₁, u₁} C] [inst_1 : CategoryTheory.MonoidalCategory C] (X X_1 : Cᴹᵒᵖ),
  (X.tensorRightIso.hom.app X_1).unmop =
    CategoryTheory.CategoryStruct.id (CategoryTheory.MonoidalCategoryStruct.tensorObj X.unmop X_1.unmop)