abhidhā nānyathā siddhyed iti vācakaśaktatām / arthāpattyāvagamyaiva tadananyagateḥ punaḥ // arthāpattyantareṇaiva śabdanityatvaniścayaḥ /
Since denotation cannot be established otherwise, the expressive power of words is understood through presumption; and since this [power] has no other recourse, the eternality of words is determined through another presumption.