Commentary on the Nyāyasūtra 11.2.p121

Nyāyabhāṣya (complete text) 11.2.p121

pratīyate| yathā goraśvasāmānādhikaraṇyena| pratīyante cārthāḥ śabdasāmānādhikaraṇyena tasmāt tadātmāna iti||