But it also implies properties which, although not essential, are, still, inherent, inalienable from, and distinctive of particular bodies, as it is a property of the triangle to contain two right angles; these properties only are regarded as accidents in modern science, and such are implied in the passage alluded to.
Note 3, p. 12. Concerning the thing itself, &c.] This stands first in the enumeration of the categories[1], which comprize the ten following—thing itself; (τί ἐστι); quantity; quality; relation; when; where; position; recipiency; action; and impression. They are so designated, Aristotle says, because there must ever be, in some one of them, accident and genus, individual, and definition; for it is through them that premisses signify either individual, or quantity, or quality, or other one of those enumerated. It is made evident, thus—when it is said of a man lying down that it is a man or an animal, the party both says what it is, and points out its essence; when it is something white which is lying down, then the party designates its quality, as well. But these two exemplifications seem to shew that the terms essence, accidents, category, like the abstractions of which they are the representatives, cannot be clearly distinguished from one another; so that they may almost be regarded as derivatives from one comprehensive idea. Essence is, in the first of those instances, almost confounded with the categories, although it is the object[2] of a special inquiry;
