THE

ELEMENTS

OF

LOGICK.

In FOUR BOOK S.

ADVERTISEMENT.

THI

HIS Treatife was originally defigned, to have been published by itself the Beginning of laft Winter; but fome Accidents. intervening, it was inferted in the Second Volume of the PRECEPTOR, and is now printed feparately, as was firft intended.

ELEMENTS

OF

LOGIC K.

In FOUR BOOKS.

By W. DUNCAN.

Doctrina fed Vim promovet infitam;
Rectique cultus Pectora roborant.

HOR.

LONDON:
Printed for R, DODSLEY in Pall-Mall. 1748.

Hist of Science Stechert 7-22-43 48442

To the RIGHT HONOURABLE

STEPHEN POYNTZ, Efq;

SIR,

F I take this Opportunity of publishing to the World, the Efteem I have for a Character, to which Learning is fo greatly indebted, I hope you will not think yourself injured by such a Declaration from a Man that honours you, and who looks upon the Liberty of putting

the