"Originally published as Volume 45, No. 2-3 (2007) of Brill's Journal Vivarium."--T.p. verso.

Includes bibliographical references (p. [244]-262).

Preliminary Material -- Introduction -- The Traditions of Ancient Logic-cum-Grammar in the Middle Ages—What’s the Problem? / Sten Ebbesen -- Denying Conditionals: Abaelard and the Failure of Boethius’ Account of the Hypothetical Syllogism / Christopher J. Martin -- Are Thoughts and Sentences Compositional? A Controversy between Abelard and a Pupil of Alberic on the Reconciliation of Ancient Theses on Mind and Language / Martin Lenz -- Res Meaning a Thing Thought: The Influence of the Ars donati / Anne Grondeux -- The Logic of Being: Eriugena’s Dialectical Ontology / Christophe Erismann -- Priscian on Divine Ideas and Mental Conceptions: The Discussions in the Glosulae in Priscianum, the Notae Dunelmenses, William of Champeaux and Abelard / Irène Rosier-Catach -- Symbolism and Linguistic Semantics. Some Questions (and Confusions) from Late Antique Neoplatonism up to Eriugena / Stefania Bonfiglioli and Costantino Marmo -- “Utrum idem sint dicere et intelligere sive videre in mente”: Robert Kilwardby, Quaestiones in librum primum Sententiarum / Mary Sirridge -- Mental Language and Tradition Encounters in Medieval Philosophy: Anselm, Albert and Ockham / Claude Panaccio -- Intentionality and Truth-Making: Augustine’s Influence on Burley and Wyclif’s Propositional Semantics / Laurent Cesalli -- Names That Can Be Said of Everything: Porphyrian Tradition and ‘Transcendental’ Terms in Twelfth-Century Logic / Luisa Valente -- Metaphor and the Logicians from Aristotle to Cajetan / E. Jennifer Ashworth -- Scepticism, Demonstration and the Infinite Regress Argument (Nicholas of Autrecourt and John Buridan) / Christophe Grellard -- Theory of Supposition vs. Theory of Fallacies in Ockham / Catarina Dutilh Novaes -- Richard Billingham’s Speculum puerorum, Some Medieval Commentaries and Aristotle / Egbert P. Bos -- Bibliography.

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Medieval logic is usually divided into the branches that derived from Aristotle's organon - the 'logica vetus' and 'logica nova', and those invented in the Middle Ages, the 'logica modernorum'. In this volume, a group of distinguished specialists asks whether the ancient roots of medieval logic were not in fact more varied. Stoic logic was mostly lost, but were some of its themes transmitted, even in distorted form, through Boethius and through the grammatical tradition? And did other schools, such as the sceptics and the Platonists, contribute in their own ways to medieval logic?