Greek Texts & Translations

Of Syllogisms, three books.

Of the Construction of Moods, addressed to Stesagoras, two books.

Comparison of the Judgements expressed in the Moods, one book.

Of Reciprocal and Hypothetical Syllogisms, one book.

To Agathon, or Of the Problems that remain, one book.

On the Question what Premisses are capable of demonstrating a given Conclusion with the Aid of one or more Subsidiary Premisses, one book. Of Inferences, addressed to Aristagoras, one book.

How the same Syllogism may be drawn up in several Moods, one book.

Reply to the Objections brought against drawing out the same Argument syllogistically and without a Syllogism, two books.

Reply to the Objections against the Analyses of Syllogisms, three books.

Reply to Philo's Work on Moods, addressed to Timostratus, one book.

Collected Logical Writings, addressed to Timocrates and Philomathes : a Criticism of their Works on Moods and Syllogisms, one book.

Second series :

On Conclusive Arguments, addressed to Zeno, one book.

On the Primary Indemonstrable Syllogisms, addressed to Zeno, one book.

On the Analysis of Syllogisms, one book.

Of Redundant Arguments, addressed to Pasylus, two books.

Of the Rules for Syllogisms, one book.

Of Introductory or Elementary Syllogisms, addressed to Zeno, one book.

Of the Introductory Moods, addressed to Zeno, three books.

Of the Syllogisms under False Figures, five books.

Syllogistic Arguments by Resolution in Indemonstrable Arguments, one book.

Inquiries into the Moods : addressed to Zeno and Philomathes, one book. (This appears to be spurious.) Third series :

On Variable Arguments, addressed to Athenades, one book. (This also is spurious.)

Variable Arguments concerning the Mean, three books. (Spurious.)

A Reply to Ameinias' "Disjunctive Syllogisms," one book.

Fourth series :

On Hypotheses, addressed to Meleager, three books.

Hypothetical Syllogisms upon the Laws, again addressed to Meleager, one book.

Hypothetical Syllogisms to serve as Introduction, two books.

Hypothetical Syllogisms consisting of Theorems, two books.

Solutions of the Hypothetical Arguments of Hedylus, two books.

Solutions of the Hypothetical Arguments of Alexander, three books. (Spurious.)

On Explanatory Symbols, addressed to Laodamas, one book.

Fifth series :

Introduction to the Mentiens ^note Argument, addressed to Aristocreon, one book.

Arguments of the Mentiens Type, to serve as Introduction, one book.

Of the Mentiens Argument, addressed to Aristocreon, six books.

Sixth series :

Reply to those who hold that Propositions may be at once False and True, one book.

To those who solve the Mentiens by dissecting it, addressed to Aristocreon, two books. Proofs showing that Indefinite Arguments ought not to be dissected, one book.

Reply to Objections urged against those who condemn the Dissection of Indefinite Arguments, addressed to Pasylus, three books.

Solution in the Style of the Ancients, addressed to Dioscurides, one book.

On the Solution of the Mentiens, addressed to Aristocreon, three books.

Solutions of the Hypothetical Arguments of Hedylus, addressed to Aristocreon and Apollas, one book.

Seventh series :

To those who maintain that the Premisses of the Mentiens are false, one book.

Of the Sceptic who denies, addressed to Aristocreon, two books.

Negative Arguments, to serve as Logical Exercises, one book.

Of the Argument from Small Increments, addressed to Stesagoras, two books.

Of the Arguments affecting Ordinary Suppositions and on those who are Inactive or Silent, addressed to Onetor, two books.

Of the Fallacy of "the Veiled Person," addressed to Aristobulus, two books.

On the Puzzle of "the Man who escapes Detection," addressed to Athenades, one book.

Eighth series :

Of the "Nobody" Puzzle, addressed to Menecrates, eight books.

Of the Arguments derived from the Indeterminate and the Determined, addressed to Pasylus, two books. Of the "Nobody" Argument, addressed to Epicrates, one book.

Ninth series :

Of Sophisms, addressed to Heraclides and Pollis, two books.

Of Dialectical Puzzles, addressed to Dioscurides, five books.

Reply to the Method of Arcesilaus, dedicated to Sphaerus, one book.

Tenth series :

Attack upon Common Sense, addressed to Metrodorus, six books.

Defence of Common Sense, addressed to Gorgippides, seven books.

V. Under Logic.

Thirty-nine investigations outside the range of the four above-mentioned main divisions dealing with isolated logical investigations not included in separate wholes of the subjects enumerated. The total of the logical writings is three hundred and eleven.