nanv apramāṇato vṛtto vidaṃ vā kaṃ{visaṃvādaṃ}sam aśnute / niścayaḥ paratas tasya bādhakāt pratyayān mataḥ //
[One who] proceeds from invalid cognition indeed encounters disagreement; the certainty of its [invalidity] is understood to come from external [causes] through subsequent sublating cognition.