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As to artificial Logic, the Logic of the 
fchools, it is of no more ufe in polifhed dif- 
putation, than artificial Rhetoric to a po- 
lifhed Orator. One of the moil rational 
and powerful difputants I ever knew, was 
my late worthy friend Edward Gillyatt, of 
the Bankj yet he was totally ignorant of 
Logic, as an art. But, notwithftanding the 
inutility of thefe two arts, they are necef- 
fary to be known by every gentleman who 
is not afhamed to acknowledge, that he has 
had the advantage of an Univerfity educa- 
tion. I will therefore give you a flight 
fketch of the art of Rhetoric, and an expla- 
nation of thofe terms of that art, which are 
moft neceflary to be underftood. 
The Art of Rhetoric comprehends, In- 
vention, Difpofltion, Elocution and Pro- 
nunciation. As Grammar teaches the art 
of fpeaking properly, Rhetoric inftrufts us 
how to fpeak with elegance and efFe6l. The 
two great instruments of this art, are Trope 
and Figure. 
TROPE, ^Trcpus, TQOTTOS from rpiru, muto, 
literally means a change of one word for 
another: eft vcifis a prof no fignificatiom in 
allam immutatio. It is a word ufed not in 
its 
