yadi tu punar ekasvabhāvānugatatvena bhinnā api cakṣurādayo janakāḥ syus tadaikas teṣāṃ svabhāvo janaka ekasminnapi kāraṇe 'stīti tata evaikasmāt kāryotpattiḥ syāt /
If, however, the eye etc., though different, were productive due to having a common nature, then their single productive nature would exist even in one cause, [and] thus the effect would arise from that one [cause] alone.