yadāha ---"nacādarśanamātreṇa vipakṣād vyatirekitā" iti / kiṃ tarhi tādātmyatadutpattisambandhaniyamād avinābhāvaniyamaḥ /
As it has been said: "Exclusion from the counter-instance cannot [be established] through mere non-perception." Rather, the necessity of invariable concomitance [follows] from the necessity of the relation of identity or causation.