成唯識論了義燈 6.123

6.123

《論》：「由斯理趣」等者。結上，疏云五、八名識，入意識攝，未見文故者。若爾，第七名意合名意識，准何得知。答：第七別名意，通名為識，通別合目，故第四云：彼依主釋，此持業釋，故知餘處俱名意識。

Treatise: 'By this line of reasoning, etc.' Concluding the above: The commentary says that the fifth and eighth are named consciousness and are subsumed within the mental consciousness, because the text has not yet been seen. If so, the seventh is named manas and ought to be named mental consciousness; according to what can this be known? Answer: The specific name of the seventh is manas, and its general name is vijñāna; combining the general and the specific to designate it, the fourth [fascicle] therefore states: 'That is a tatpuruṣa compound, and this is a karmadhāraya compound.' Therefore, we know that in other contexts they are both named mental consciousness.