( 75 ) 
TABLE IV. continued. 
Series, in which the Predicate of one fimple 
Syllogifm becomes the Subject of the next, 
and fo on, till the Subjeftof the firil, and 
Predicate of the laft uni te in the con clufion. 
Induction affirms of the whole what is true 
of all its parts : thus Quadrupeds mow, 
Reafonins by< B Ms move, Fijbesmove, lf e ts move, ergo 
6 3 * all Animals mow. 
Dilemma proves the abfurdity of an afTertion. 
If the Major be affirmative, the conclufioa 
will be negative, and vice verfa : fo Eu- 
clid proves two figures to be equal, by 
ihevving the abfurdity of fuppofing them 
greater or lefs. 
Demonflration is a Series of Syllogifms whofe premifes are 
either definitions, felfevident truths, or propositions 
already eftabliflied. Demonftration is DireS ~ r " " 
LET. 
