成唯識論演祕 3.786

3.786

即前標云此破經部。設許六俱至令不得互相熏，總是前解，同《攝論》也。中間引彼《攝論》為證，難彼六識不互相熏。

That is, what was previously indicated as 'This refutes the Sautrāntikas. Even granting that the six [consciousnesses] are simultaneous... to prevent them from being able to mutually perfume', is entirely the former explanation, agreeing with the Mahāyānasaṃgraha. In between, it cites that Mahāyānasaṃgraha as proof to challenge their claim that the six consciousnesses do not mutually perfume.