Note 64 — Chapter V · LOGIC OF THE STOICS.

(b) The Stoic Categories. Of greater importance is the Stoic doctrine of the categories.64 In this branch of logic, the Stoics again follow Aristotle, but not without deviating from him in three points. Aristotle referred his categories to no higher conception, but looked upon them severally as the highest class-conceptions; the Stoics referred them all to one higher conception. Aristotle enumerated ten categories; the Stoics thought that they could do with four,65 which four only partially coincide with those of Aristotle. Aristotle placed the categories side by side, as co-ordinate, so that no object could come under a second category in the same respect in which it came under the first one;66 the Stoics placed them one under the other, as subordinate, so that every preceding category is more accurately determined by the next succeeding one.