yato vādīṣṭaviparītasādhanāt tadapi pramāṇam eva, anyathā hi sādhyāntaramapekṣya sarvadaiva sarvasya yadyaprāmāṇyaṃ vyavasthāpyeta, pratyakṣe 'pi prasaṅgaḥ syāt /
Since it proves the opposite of what the disputant desires, that [cognition] too is indeed a valid means of knowledge; for otherwise, if invalidity were to be established for everything at all times with respect to another probandum, then [such invalidity] would apply to perception as well.