Figure of Speech, Fallacy of, 857.
Figures, of a Syllogism, 558. special canons of, 633. special rules of, 606. special uses of, 648.
Formal Logic, 16.
Four Terms, Fallacy of, 840.
Fundamentum Divisionis, 391.
Generalisation, 168.
Genus, 318. as used by Aristotle, 336. cognate, 408. proximate, 420. subaltern, 406. summum, 167, 404.
Heads of Predicables, 313. as given by Aristotle, 336.
'Ideas' of Plato, 52.
Identity, Law of, 25 sqq.