成唯識論述記 5.70

5.70

The Commentary states: If they mutually served as bases, because they would mutually obstruct each other, like the minds of different schools such as the Hīnayāna, there could be no simultaneous arising, because for the Sarvāstivādins and others, they do not arise simultaneously and are thus capable of being conditions. This is the second point, objecting to the mutual relationship of prior-and-posterior basis.