462 ANTIENT METAPHYSICS, Book V. 



CHAR X. 



All the Antient F.hilofophers believed in the Exijlence of Ideas. — Differed 

 only as to the Manner of their Exiflencc, — That Ideas and Senjations 

 are the fame ^ a Difcovery of Modern Times. — Plato* s Opinion concerning 

 Ideas. — This truly his Opinion^ not falfely imputed to him by Ariflotle» 

 ^—ArifotWs Opinion concerning Ideas. — Thefe, according to his Phi- 



lojophy^ are of three Kinds. That there are Ideas exijling in our 



Minds, is a Matter of Fa^, to be proved by InduBion. — Examples 



from the Works of Art. — Ideas formed, in the like Manner, from the Jf orks 



of Nature. — Of thefe Ideas, all the different Kinds mentioned by Por^ 



phyry. — That ive have the Faculty, by vuhich Ideas are formed, viz. 



Intellect, and are thereby diJlinguifJoed from the Brutes. — Reafonfor 



arguing in this Manner from Art to Nature. — Diflinttion of Ideas into 



Corruptible and Incorruptible. — Arijiotle reconciled ivith Himfelf as to 



fuch Ideas. — In vohat Senfe Ideas may be J aid to have a Being diflinft 



from Particulars. — This DfiinBion explained, andfhoivn to be made 



by every Body. 



AS there can be no demonftration or reafoning of any kind, with- 

 out ideas or generals, it behoves an author, who has underta- 

 ken to lay down the principles of human reafoning, to explain accu- 

 rately the nature of ideas, and to anfwer every oDJedion that may oc- 

 cur to them. 



There were, in antient times, but two opinions concerning ideas, 

 that of l:'lato, and that of Ariftotle, both agreeing as to their exiflence^ 



and 



