syād etat yadi nāma sambhāvyate tathāpi sambhāvanāmātrāt katham aprāmāṇyam asya siddhyatītyāha dṛṣṭadoṣāc ca śaṅkyadoṣaṃ na bhidyata iti / śaṅkyā doṣā yasmin vākye tat tathā /
One might object: "Even if this is possible, how can invalidity be established from mere possibility?" To this [the text] responds "what is suspected to be defective does not differ from what is observed to be defective." [The compound] śaṅkyadoṣa [means] "that in which defects are suspected."