Chap. I. ANTIENT METAPHYSICS. 311 



BOOK III, 



Of the Categories, or Universal Forms. 



CHAP. L 



Philofophy among the Ant'ients the Knoivledge of all Things in the Uni^ 

 njerfe — All things to be knoivn by their Cati/es only — The Knozuledge 

 of allFirJl Caufes belongs to Metaphyftcs — Three Kinds of Caufes alrea^ 

 dy treated of — Formal Caifes noiv to be confidered — The Nature and 

 Number of them firft difcovered in the Pythagorean School — publfhed 

 firfi by Archytas^ in his Work concerning the Univerfe — then by Ari~ 

 ftotle-i under the Name 0/ Categories — Great Utility of this Difcovery — 

 Reference to Mr Harris'' s Work for the Explanation of each particular 

 Category. 



TH E Antients, as 1 have obferved elfewhere, appear to have had 

 more general and extenlive notions upon every fubje6t than we 

 have, but particularly concerning that fcience we call philojophy. A- 

 mong us, a man who knows a great many fadts of natural hiflory, 

 who is a geometer, and, efpecially, if he be likewife an adronomer, 

 and apply geometry and calculation to the motions of the celeftial 

 bodies, is accounted a philofojiher j but, among them, philofophy was 



an 



