sādhanavikala (sādharmyadṛṣṭāntābhāsa) HTU 59: nityaḥ śabdo 'mūrtatvāt paramāṇuvat / sādhanavikalaḥ paramāṇūnām mūrtatvāt // TSop 3.19: nityaḥ śabdaḥ / amūrtatvāt paramāṇuvad iti / sādhanadharmavikalaḥ / sādhyadharmo 'tra nityatvam asti nityatvāt paramāṇoḥ / |