pratyakṣādīnāṃ pramāṇānām abhāvaḥ pramāṇaṃ pratyakṣādibhyo bhinnam abhāvaśabdavācyatvāt prameyābhāvavat /
The negation of perception and other means of cognition must be a means of cognition different from perception and the rest, because it is denoted by the word 'abhāva', just like the negation of cognizable things.