瑜伽論記 13.18

13.18

Now in this division, it concurrently clarifies that the active eighth consciousness is the common support of the six consciousnesses; since it is the common support, it cannot be clarified by opening them into two stages, which is why they are explained together. Being explained from the viewpoint of the eighth, they are combined into one to be clarified. Furthermore, if viewed solely in terms of initiating karma, since initiating karma is distinct, they must be opened and clarified separately; but both depend on faculties and take dusts as conditions, their modes of activity being similar, so they are explained together. Furthermore, as the sixth fascicle of the Prakaraṇāryavācā says: 'Question: Under which consciousness is the ālayavijñāna subsumed?'