kāraṇamātrāstitve ca sādhye siddhasādhyatā, vāyvādīnāṃ tathāvidhasaṃyogavibhāgakāraṇatvenābhīṣṭatvāt /
And if merely the existence of a cause is to be proved, [there is] proving what is [already] proved, because air etc. are accepted as being causes of conjunction and disjunction of that kind;