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Susanne Bobzien
Professor of Philosophy
302 CT Hall
203.432.1689
susanne.bobzien@yale.edu
Areas of Interests
Philosophy of Logic, Philosophy of Language, Ancient Philosophy
Education
DPhil, 1993, Oxford University
Current or Recent Courses Taught
(1) Contemporary:
- Vagueness and Higher-Order Vagueness
- The Liar Paradox
- Vagueness, Context and Logic
- Frege's Philosophy of Language
- Vagueness and the Sorities Paradox
(2) Ancient:
- Stoic Logic
- Aristotle on the Voluntary, Prohairesis & Responsibility (with Verity Harte)
- Aristotle’s Psychology (with Verity Harte)
- Aristotle’s De Interpretatione (with Verity Harte)
- Aristotle’s Categories (with Verity Harte)
Selected Publications
Books
- Determinism and Freedom in Stoic Philosophy (OUP). Online
- Die stoische Modallogik (Würzburg: Königshausen und Neumann 1986).
Articles
(1) Logic and Language
- Chrysippus and the Epistemic Theory of Vagueness, Proceedings of the Aristotelian Society 102, 2002, 217–238. Online
- Ancient Logic, The Stanford Encyclopedia of Philosophy. Online
- Stoic Syllogistic, Oxford Studies in Ancient Philosophy 14, 1996, 133–92.
- Aristotle’s De Interpretatione 8 is about ambiguity, in D. Scott (ed.) Maieusis: Essays in Ancient Philosophy (OUP 2007), 301-21.
- Hypothetical syllogistic in Galen - Propositional logic off the rails?, Rhizai Journal for Ancient Philosophy and Science 2, 2004, 57-102. Online
- Stoic Logic and ‘Megaric’ Logic, in K.Algra/J.Barnes/J.Mansfeld/M.Schofield (eds), The Cambridge History of Hellenistic Philosophy (CUP 1999) 83–157.
- Stoic Logic, in Brad Inwood (ed), Cambridge Companion to Stoic Philosophy (CUP 2002) 85-123. Online
- Stoic Hypotheses and Hypothetical Argument, Phronesis 1997, 299–312. Online
- The Development of modus ponens in Antiquity, Phronesis 47, 2002, 359-394. Online
- Wholly Hypothetical Syllogisms, Phronesis 45, 2000, 87–137. Online
- Dialectical School, The Stanford Encyclopedia of Philosophy. Online
- A Greek Parallel to Boethius’ De Hypotheticis Syllogismis, Mnemosyne 55, 2002, 285-300. Online
- Why the order of the figures of the hypothetical syllogisms was changed, Classical Quarterly 50.1, 2000, 247-51. Online
(2) Determinism, Freedom, Moral Responsibilty:
- ‘The Inadvertent Conception and Late Birth of the Free–Will Problem’, Phronesis 43, 1998, 133–75. Online
- ‘Did Epicurus Discover the Free–Will Problem?’ Oxford Studies in Ancient Philosophy 19, 2000, 287–337
- ‘Moral responsibility and moral development in Epicurus’, in B. Reis / S. Haffmans (eds), The Virtuous Life in Greek Ethics (CUP 2006), 206-229.
- ‘Chrysippus’ Theory of Causes’ in K.Ierodiakonou (ed), Topics in Stoic Philosophy, (OUP 1999) 196–242.
- Early Stoic Determinism, Revue de Metaphysique et de Morale, 2005, 489-516. Online
- ‘Stoic Conceptions of Freedom and their Relation to Ethics’ in R.Sorabji (ed), Aristotle and After, Bulletin of the Institute of Classical Studies, Supplement 68, 1997, 71–89.
- ‘Die Kategorien der Freiheit’ in H. Oberer/G. Seel (eds) Kant: Analysen–Probleme–Kritik (Würzburg 1988) 193–220.
Works in Progress
Books
- The Development of Propositional Logic in the Tradition of Aristotle
- Higher-Order Vagueness
Articles
- Fallacies of Presupposition
- Vagueness and Qualified Individuals
- If it’s clear, it’s clear that it’s clear, or is it?
- In Defense of True Higher-Order Vagueness
- The Combinatorics of Stoic Conjunction
- Propositional Logic in Alexander of Aphrodisias
- The Making of a Platonist Propositional Logic
- Theories of Time in Sextus Empiricus’ Against the Physicists


