ayam eva cākṛtasamayatvād iti hetur ācāryadignāgena na jātiśabdo bhedānāṃ vācaka ānantyād ity anena nirdiṣṭaḥ.
And this very reason - "because of not having established convention" - was indicated by Ācārya Dignāga through this [statement]: "A generic term cannot be denotative of particulars, due to [their] endlessness."