yato yasmāt prāmāṇyaniścayaṃ prati saṃśayena pravṛtter evopāyatā tena puruṣeṇa niścitā, tataś copāyaviṣaye saṃśayābhāvāt pravṛttir yuktaiva //
Since that person has determined that proceeding through doubt is itself the means toward ascertaining validity, and hence there is no doubt regarding the means, activity is indeed appropriate.