Contents -- Acknowledgements -- Note to the Reader -- Chart 1: Contents of Boethius' Two Commentaries on Peri hermeneias -- a. The Correspondences between Boethius' Commentaries and Aristotle's Peri hermeneias -- b. Boethius' Divisions of the Commentaries -- b-i. The First Commentary on Peri hermeneias -- b-ii. The Second Commentary -- Chart 2: Chronology of Boethius' Works -- Chart 3: Chronology of Major Thinkers and Writers -- Chart 4: Relationships among Ancient Commentators -- Introduction -- 1. The Scope of This Work -- 2. Boethius and the Aristotelian Tradition in the West -- 3. The Past Studies of Boethius' Commentaries on Peri hermeneias -- 4. The Focus of This Work -- PART ONE: BOETHIUS ON WORDS AND MIND -- I. The Significatum of Spoken Words -- 1. Introduction -- 2. Kretzmann's Interpretation of 'Significatum' -- 3. Is 'Significare' a Technical Expression for 'Sense'? -- 4. The Significatum of Spoken Words -- 4.1. Spoken Words Signify Thoughts -- 4.2. Spoken Words Signify Thoughts and Things -- 4.3. A Proposition Signifies Truth and Falsity -- 5. Empty Names and Truth-Value Gaps -- 5.1. Are there Empty Names? -- 5.2. Is there a Truth-Value Gap? -- 6. The Paradigm of Boethius' Semantics -- II. Words as 'Notae' -- 1. Introduction -- 2. 'Sumbolon' and 'Sèmeion' in Aristotle (16a3-8) -- 2.1. 'Sumbolon' (16a4) -- 2.2. 'Sèmeion' (16a6) -- 2.3. 'Sèmeion' 'Sumbolon' λν' -- 3. Boethius' Latin Translation of 'Nota' -- 3.1. Why not 'Symbolum' for 'Sumbolon'? -- 3.2. Why not 'Signum' for 'Sèmeion'? -- 3.3. 'Nota' in Cicero's Topics -- 3.4. 'Nota' Derived from 'Noscere' -- 3.5. 'Nota' as a Conventional Token -- 3.6. 'Nota' with 'Similitudo' -- 4. Conclusion -- III. Three Types of Speech -- 1. Introduction -- 2. Kretzmann's Questions -- 3. The Answer to Kretzmann's Second Question -- 3.1. Universal Mental Speech in Boethius' Texts.

3.2. Magee's Answer to Kretzmann's Second Question -- 3.3. The Problems in Magee's Interpretation -- 3.4. The Status of the Noun-Verb Distinction in the Mind -- 4. Order of Speaking (Ordo Orandi) -- 4.1. The Order of Things, Thoughts, Spoken Words and Written Words -- 4.2. Ordering of Nature (Ordinatio Naturae) -- 4.3. Signification and Causation -- 4.4. The Order for a Speaker and a Listener -- 5. Formations of Mental Speech and Spoken Speech -- 6. Conclusion -- PART TWO: BOETHIUS ON LOGIC AND GRAMMAR -- IV. Nouns, Verbs, and Conjunctions -- 1. Introduction -- 2. Parts of Speech -- 2.1. The Historical Background: From Plato to Donatus -- 2.2. Boethius' Division -- 2.3. Boethius' Delineation of Logic vs. Grammar -- 3. The Noun and the Verb -- 3.1. The Common Conditions for the Noun and the Verb -- 3.2. The Noun-Verb Distinction -- 3.3. Indefinite Nouns and Verbs and Cases of Nouns and Verbs -- 3.4. Different Noun-Verb Categories -- 4. The Conjunction -- 5. Conclusion -- V. The Varieties of Speech -- 1. Introduction -- 2. Imperfect vs. Perfect -- 3. Declarative vs. Other Four Species -- 4. Distinctions for Explaining the Unity of Propositions: An Overview -- 5. Single vs. Multiple -- 5.1. Single Affirmations and Negations -- 5.2. Single Conditional Propositions -- 6. Simple vs. Composite -- 6.1. 'Term' (Terminus) -- 6.2. 'Diction' (Dictio) -- 6.3. The Simple Proposition -- 7. The Combined Distinctions -- 8. Single by Nature vs. Single by Stipulation -- 9. Conclusion -- VI. The Verb 'To Be' -- 1. Introduction -- 2. De Rijk's Claim -- 3. 'Is' in Boethius' Monographs on Logic -- 4. 'Is' in Boethius' Exposition of Chapter 10 ('Tertium Adiacens') -- 5. Approaches to 'Is' (est) in Peri hermeneias, Chapter 3 -- 5.1. Aristotle's Text and Boethius' Translation -- 5.2. Boethius' Exposition -- 5.3. Ammonius' Exposition.

5.4. Differences between Boethius and Ammonius -- 6. Conclusion -- VII. General Conclusions -- 1. Some Significant Features of Boethius' Semantics and Logic -- 2. Boethius on Mind, Grammar, and Logic -- 3. Boethius on Aristotle, the Stoics, and Neoplatonists -- Bibliography -- 1. Primary Sources and Selected Translations -- 1.1. Boethius' Original Works -- 1.2. Boethius' Latin Translations -- 1.3. Works of Other Ancient and Medieval Thinkers -- 2. Secondary and Modern Literatures -- 3. Dictionaries, Fragments or Excerpt Collections and Reference Books -- 4. Electronic Databases -- Index of Ancient and Medieval Texts -- Index of Names (Ancient and Medieval Authors) and Subjects -- Index of Modern Authors (Selective).