paryudāsānniṣedhāc ca paryudāsalakṣaṇaḥ prasajyapratiṣedhaśceti yāvat
That is to say, [there is] the characteristic of paryudāsa and prasajyapratiṣedha [non-implicative negation], due to [the difference between] paryudāsa and niṣedha