成唯識論述記 9.408

9.408

所知障中：初、出體性；第二、釋名；第三、八識分別因破異執；第四、三性分別亦遮外計；第五、釋外妨難。

Within the knowledge obstacle: first, presenting its essence and nature; second, explaining its name; third, differentiating it among the eight consciousnesses to refute divergent tenets; fourth, differentiating it among the three natures to also ward off outside doctrines; fifth, resolving external objections.