tena yatra te santi tatra niścayaḥ prasūyata ity arthaḥ / etac ca sarvaṃ paramāṇūnāṃ siddhiṃ bāhyasya cārthasya pratyakṣatvasiddhimabhyupagamyoktam /
Hence where these [factors] are present, there certainty arises - this is the meaning. All this has been stated accepting [for argument's sake] the existence of atoms and the perceptibility of external objects.