Vitae philosophorum

Diogenes Laertius

Diogenes Laertius. Hicks, R. D., editor. Cambridge, MA.: Harvard University Press; London: William Heinemann Ltd., 1925.

  • Choosing from Alternatives, addressed to Gorgippides, one book.
  • A Contribution to the Subject of Consequents, one book.
  • On the Argument which employs three Terms, also addressed to Gorgippides, one book.
  • On Judgements of Possibility, addressed to Clitus, four books.
  • A Reply to the Work of Philo on Meanings, one book.
  • On the Question what are False Judgements, one book.
  • Third series:
  • Of Imperatives, two books.
  • Of Asking Questions, two books.
  • Of Inquiry, four books.
  • Epitome of Interrogation and Inquiry, one book.
  • Epitome of Reply, one book.
  • Of Investigation, two books.
  • Of Answering Questions, four books.

  • Fourth series:
  • Of Predicates, addressed to Metrodorus, ten books.
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  • Of Nominatives and Oblique Cases, addressed to Phylarchus, one book.
  • Of Hypothetical Syllogisms, addressed to Apollonides, one book.
  • A Work, addressed to Pasylus, on Predicates, four books.
  • Fifth series:
  • Of the Five Cases, one book.
  • Of Enunciations classified according to subject matter, one book.
  • Of Modification of Significance, addressed to Stesagoras, two books.
  • Of Proper Nouns, two books.

    • III. Logic, as concerned with words or phrases and the sentence.

  • First series:
  • Of Singular and Plural Expressions, six books.
  • On Single Words, addressed to Sosigenes and Alexander, five books.
  • Of Anomalous Words or Phrases, addressed to Dion, four books.
  • Of the Sorites Argument as applied to Uttered Words, three books.
  • On Solecisms, one book.
  • On Solecistic Sentences, addressed to Dionysius, one book.
  • Sentences violating Ordinary Usage, one book.
  • Diction, addressed to Dionysius, one book.
  • Second series:
  • Of the Elements of Speech and on Words Spoken, five books.
  • Of the Arrangement of Words Spoken, four books.

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  • Of the Arrangement and Elements of Sentences, addressed to Philip, three books.
  • Of the Elements of Speech, addressed to Nicias, one book.
  • Of the Relative Term, one book.
  • Third series:
  • Against Those who reject Division, two books.
  • On Ambiguous Forms of Speech, addressed to Apollas, four books.
  • On Figurative Ambiguities, one book.
  • Of Ambiguity in the Moods of the Hypothetical Syllogism, two books.
  • A Reply to the Work of Panthoides on Ambiguities, two books.
  • Introduction to the Study of Ambiguities, five books.
  • Epitome of the Work on Ambiguities, addressed to Epicrates, one book.
  • Materials collected for the Introduction to the Study of Ambiguities, two books.

    • IV. Logic as concerned with syllogisms and moods.

  • First series:
  • Handbook of Arguments and Moods, addressed to Dioscurides, five books.

  • 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.
    • V2_307
  • 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.