prayogaḥ yajjñānaṃ tadātmabodhaṃ pratyanapekṣitānyavyāpāraṃ jñānatvāt antyajñānavat jñānaṃ ca vivādāspadībhūtaṃ jñānam iti svabhāvahetuḥ
The formal argument is: Whatever is a cognition does not depend on the operation of anything else for its self-awareness, because it is a cognition, like the final cognition. And the cognition under dispute is a cognition - this is a reason based on essential nature.