prayogaḥ ye kṣaṇikās te janmātiriktavyāpāraśūnyāḥ, yathā buddhiḥ, kṣaṇikāś ca bījādayaḥ pūrvaṃ prasādhitā iti svabhāvahetuḥ /
The formal argument [is as follows]: Those things which are momentary are devoid of any activity distinct from [their] origination, just like cognition; and seeds etc. have previously been proved to be momentary - thus [this is] a reason based on essential nature.