Page:O. F. Owen's Organon of Aristotle Vol. 1 (1853).djvu/73

 an universal, at another in a singular thing. Now, if any one universally enunciates of an universal, that something is or is not inherent, these enunciations will be contrary: I mean universally enunciates of an universal, as that "every man is white," "no man is white." When on the other hand he enunciates of universals, not universally, these are not contraries, though the things signified may sometimes be contrary; but I mean by not universally enunciating of universals, as that "man is white," "man is not white:" for man being universal, is not employed as an universal in the enunciation, since the word "every" does not signify the universal, but (shows that the subject is) universally (taken). Now to predicate universally of what is universally predicated is not true, for no affirmation will be true in which the universal is predicated of an universal predicate, as for instance, "every man" is "every animal." Wherefore I say affirmation is opposed to negation contradictorily, the affirmation which signifies the universal to that which is not universal, as "every man is white," "not every man is white," "no man is white," "some man is white." But contrarily is between universal affirmative and universal negative, as "every man is white," "no man is white," "every man is just," "no man is just." Wherefore it is