two books of hypothetical reasoning to serve as an Introduction; two books of hypothetical reasonings on Theorems; a treatise in two books, being a resolution of the Hypothetical Reasonings of Hedylus; an essay, in three books, being a resolution of the Hypothetical Reasonings of Alexander (this is an incorrect title); two books of Expositions, addressed to Leodamas.
The fifth set contains, an introduction to Fallacy, addressed to Aristocreon; an introduction to False Reasonings; a treatise in six books, on Fallacy, addressed to Aristocreon.
The sixth set contains, a treatise against those who believe Truth and Falsehood to be the same thing. One, in two books, against those who have recourse to division to resolve the Fallacy, addressed to Aristocreon; a demonstrative essay, to prove that it is not proper to divide indefinite terms; an essay, in three books, in answer to the objections against the non-division of Indefinite Terms, addressed to Pasylus; a solution, according to the principles of the ancients, addressed to Dioscorides; an essay