prayogaḥ yaditat pūrvaparādijñānaṃ tan mūrtadravya{bhinna---}padārthanibandhanam, tatpratyayavilakṣaṇatvāt sukhādijñānavad iti
The formal argument [is]: This knowledge of 'before', 'after' etc. must be based on a substance different from corporeal substances, because it is distinct from the cognition of those [corporeal substances], like the knowledge of pleasure etc.