in two books, addressed to Zeno; a treatise on Dialectics, in four books, addressed to Aristocreon; an answer to the Objections urged against Dialectics, in three books; an essay on Rhetoric, in four books, addressed to Dioscorides.
The third set contains, a treatise on Habit, in three books, addressed to Cleon; a treatise on Art and Want of Art, in four books, addressed to Aristocreon; a treatise, in four books, on the Difference between the Virtues, addressed to Diodorus; a treatise, to show that all the Virtues are Equal; a treatise on the Virtues, in two books, addressed to Pollis.
The next division refers to Ethics, as relating to Good and Evil.
The first set contains, a treatise in ten books, on the Honourable, and on Pleasure, addressed to Aristocreon; a demonstration, that Pleasure is not the Chief Good of Man, in four books; a demonstration that Pleasure is not a Good at all, in four books; a treatise on what is said by …15