xi* CONTENTS. 



BOOK V. 



Concerning the Principles of Science, and of Truth and Cer- 

 tainty. 



CHAP. I. 



The Principles of all Arts and Sciences to be found in Metaphyfics— It belongs to Me- 

 taphyfics to explain the Principles of Science, and to defend them againft the Cavils 

 ofSophifts — Truth Logical znd Metaphy/ical — Logical Truth or Propofitions the 

 Subjedl of this Chapter — Propofitions analyzed — In all Propofitions, one Term at 

 lead mud be a General or Idea — Divifion of Propofitions into thofe which have both 

 Terms general, and thofe which have only one Page 373 



CHAP. 11. 



Common Senfe not fufficlent for explaining the Principles of Evidence or Certainty — 

 nor any Learning to be found in Englifli or in French — Mr Locke's own Account of 

 his Effay — His Miftake of the Axiom of the Schools, upon which he builds his whole 

 Work, is a fundamental Error of his Book — Of general Propofitions, that is, Pro- 

 pofitions of which both the Terms are general — Mr Locke's Account of the Truth of 

 fuch Propofitions very imperfect — ^The Pielation betwixt the two Terms of the Propo- 

 fition, fuch as is neceflary to make the Propofition true, particularly explained — All 

 Propofitions either affirm or deny a Genus of a Species^ or an Accident of a Subfiance 



P- 379 



CHAP. III. 



The Neceffity of underftanding the Principles of Logic, in order to underfiiand the 

 Principles of Science and Demonftration — The Greatefl: Genius, without teaching, 

 not fufficient for that Purpofe — Ariftotle how taught — Cafe of the Philofophers be- 

 fore his Time who had not learned to analyfe Reafoning — General Propofitions, ei- 

 ther Axioms, or Propofitions to be demonllrated — Nature of the Evidence of Axioms 



may be explained— This is bed done with refpe<Sl to the Axioms of Geometry 



Geometry the firft Science among Men — and the Reafons why it was fo — Inftances 



from 



