ĀVDīp zu Ca, Sū., 1, 1, 12.0 naivaṃ nahi sāmānyena prayojanasaṃdehaḥ prayojanaviśeṣārthinaṃ tathā pravartayati yathābhipretaprayojanaviśeṣaviṣayaḥ saṃdehaḥ abhipretaviśeṣaviṣayaśca saṃdeho na viśeṣaviṣayasmaraṇamantarā bhavati ato ye tāvad anavadhṛtāgniveśaprāmāṇyās teṣāṃ dhātusāmyasādhanamidaṃ śāstraṃ na vetyevam ākāraviśeṣasaṃdehotpādanārthaṃ prayojanaviśeṣābhidhānaṃ ye punaḥ paramarṣer agniveśasyādyata evāvadhṛtaprāmāṇyāsteṣāṃ tadabhihitaprayojanavattāvadhāraṇenaiva pravṛttir iti yuktaṃ prayojanābhidhānam //