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Susanne Bobzien
Senior Research Scholar, Philosophy
302 CT Hall
203.432.1689
susanne.bobzien@yale.edu
Employment
Professor of Philosophy, Yale University (2002 - 2010)
CUF Lecturer in Philosophy (tenured), Oxford University (1993-2002)
Official Fellow in Philosophy (tenured), The Queen's College, Oxford (1990-2002)
Tutorial Fellow in Philosophy, Balliol College, Oxfrod (1989-1990)
Education
DPhil, 1993, Oxford University
Areas of Specialization and Interest
Philosophy of Logic, Philosophy of Language, Ancient Philosophy, Determinism and Freedom
Selected Publications
Books
- Determinism and Freedom in Stoic Philosophy (OUP). Online
- Die stoische Modallogik (Würzburg: Königshausen und Neumann).
- Alexander of Aphrodisias: On Aristotle Prior Analytics I.1-7, with J. Barnes, K. Flannery, K. Ierodiakonou (Duckworth).
Articles
(1) Logic and Philosophy of Language
- If it’s clear, then it’s clear that it’s clear, or is it? – Higher-Order Vagueness and the S4 Axiom, in Ierodiakonou, B. Morison (eds.), Episteme, etc., , Oxford: OUP 2011.
- 'The Combinatorics of Stoic Conjunction', Oxford Studies in Ancient Philosophy 40, 2011, 157-88. Online Draft (forthcoming)
- Higher-Order Vagueness, Radical Unclarity and Absolute Agnosticism, Philosophers’ Imprint. vol. 10, 2010. Online
- In Defense of True Higher-Order Vagueness, Synthese, DOI10.1007/s11229-009-9704-8, 2009. Online
- Aristotle’s De Interpretatione 8 is about ambiguity, in D. Scott (ed.) Maieusis: Essays in Ancient Philosophy, Oxford:OUP 2007, 301-21. Online
- The Stoics on fallacies of equivocation' in D. Frede/B. Inwood (eds): Language and Learning, Proceedings of the 9th Symposium hellenisticum,Cambridge: CUP 2006, 239-265. Online
- Hypothetical syllogistic in Galen - Propositional logic off the rails?, Rhizai Journal for Ancient Philosophy and Science 2, 2004, 57-102. Online
- Chrysippus and the Epistemic Theory of Vagueness, Proceedings of the Aristotelian Society 102, 2002, 217–238. Online
- The Development of modus ponens in Antiquity, Phronesis 47, 2002, 359-394. Online
- Stoic Logic, in Brad Inwood (ed), Cambridge Companion to Stoic Philosophy, Cambridge: CUP 2002, 85-123. Online
- Propositional logic in Ammonius, in H. Linneweber-Lammerskitten/G. Mohr (eds): Intrepretation und Argument, Festschrift for G. Seel, Wurzburg 2002, 103-119. Online
- Pre-Stoic hypothetical syllogistic in Galen, in V. Nutton (ed.) The Unknown Galen, Bulletin of the Institute of Classical Studies, Suppl. Vol., 2002, 57-72. Online
- A Greek Parallel to Boethius’ De Hypotheticis Syllogismis, Mnemosyne 55, 2002, 285-300. Online
- Wholly Hypothetical Syllogisms, Phronesis 45, 2000, 87–137. Online
- Why the order of the figures of the hypothetical syllogisms was changed, Classical Quarterly 50.1, 2000, 247-51. Online
- Logic: The “Megarians”, in K. Algra et al. (eds), The Cambridge History of Hellenistic Philosophy, Cambridge: CUP 1999, 83-92.
- Logic: The Stoics (part 1), in K. Algra et al. (eds), The Cambridge History of Hellenistic Philosophy,Online Cambridge: CUP 1999, 92–125.
- Logic: The Stoics (part 2), in K. Algra et al. (eds), The Cambridge History of Hellenistic Philosophy, Cambridge: CUP 1999, 126-157.
- Stoic Hypotheses and Hypothetical Argument, Phronesis 1997, 299–312. Online
- Stoic Syllogistic, Oxford Studies in Ancient Philosophy 14, 1996, 133–92. Online
- Chrysippus’ Modal Logic and its Relation to Philo and Diodorus, in K. Doering / Th. Ebert (eds) Dialektiker und Stoiker, Stuttgart: Franz Steiner 1993, 63-84. Online
(2) Determinism, Freedom, Moral Responsibilty:
- Moral responsibility and moral development in Epicurus, in B. Reis / S. Haffmans (eds), The Virtuous Life in Greek Ethics (CUP 2006), 206-229. Online
- Early Stoic Determinism, Revue de Metaphysique et de Morale, 2005, 489-516. Online
- ‘Did Epicurus Discover the Free–Will Problem?’ Oxford Studies in Ancient Philosophy 19, 2000, 287–337. Online
- ‘The Inadvertent Conception and Late Birth of the Free–Will Problem’, Phronesis 43, 1998, 133–75. 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. Online
- Kants Kategorien der praktischen Vernunft – A Reply to Bruno Haas, in H. Oberer/G. Seel (eds), Kant: Analysen - Probleme - Kritik vol.3, Würzburg 1997, 75-9. Online
- ‘Die Kategorien der Freiheit’ in H. Oberer/G. Seel (eds) Kant: Analysen–Probleme–Kritik (Würzburg 1988) 193–220. Online
(3) Metaphysics
- Sextus on Time: Notes on Sceptical Method and Doxographical Transmission, in K. Algra / K. Ierodiakonou (eds), Proceedings of the 11th Symposium Hellenisticum, Cambridge: CUP 2011. Online draft (forthcoming)
- Chrysippus’ Theory of Causes, in K.Ierodiakonou (ed), Topics in Stoic Philosophy, Oxford: OUP 1999, 196–242. Online
Encyclopedia articles, etc.
- Afterword, The Philosophy of Aristotle, R. Bambrough (ed.), New York: Signet/Penguin 2011, 491-501. Online
- ‘Logic, ancient, overview’, in The Stanford Encyclopedia of Philosophy, 2006. Online LINK 31. Online
- ‘Ancient logic’, in Encyclopedia of Philosophy, 2nd edition, D. M. Borchert (ed.) MacMillan, 2006, 70-83.
- ‘Dialectical School’, The Stanford Encyclopedia of Philosophy, 2004. Online
- ‘Logic’ in Oxford Classical Dictionary, 3rd edition, 1996, 880-1.
- ‘Freiheit’ (‘Freedom’), in: Der Neue Pauly. Enzyklopädie der Antike. Altertum 4, Stuttgart / Weimar 1998, 652-653.
Abstracts of papers and books
Selected 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
- Higher-order Vagueness and Qualified Individuals
- Why there are no Clear Borderline cases
- Propositional Logic in Alexander of Aphrodisias
- The Making of a Platonist Propositional Logic
- Ancient Theories of Determinism and Freedom (SEP)
- Aristotle, Free Choice and Free Will (Cambridge Companion to Aristotle’s Nicomachean Ethics)
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:
- 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)


