vijātīyāpohapadārthena sahaikyena bhrāntaiḥ pratipattṛbhiradhyavasitatvācceti caturthaṃ kāraṇam taddarśayati vijātīyetyādi
The fourth reason is shown beginning with "vijātīya", namely that it is apprehended by cognizers who are confused about its identity with the meaning consisting in exclusion of heterogeneous [things]