ii8 ANTIENT METAPHYSICS. Book IL 



great prerogative of the human mind^ denied to the brute: — That the 

 Jirji operation of this faculty is ahJlraBion^ by which it forms its pro- 

 per obje<St, VIZ ideas; — the /econd is that by which it apprehends thofe 

 ideas, whether fingle, or joined together in propofitions ; — and the 

 third and /aji, is the dijciirfus mentis^ or ?)«»«<«, as it is called in Greek, 

 by which it inveftigates and difcovers the connection of ideas, that it 

 could not at once difcover; and the conclufion of this laft operation 

 is, as I have (hown, either /ww^:^ or opinion. 



CHAP. 



