1004 Oldfather Hall
Phone: (402) 472-4389
Office hours: M W 11:00 am - 12:00 pm
King's College, London: September 1986-June 1987.
Temple University, Philadelphia, Pennsylvania: January 1981-May 1983. B.A., philosophy (with honors).
Philadelphia College of Bible, Philadelphia, Pennsylvania: September 1975-December 1977.
Area of specialization
Areas of competence
Medieval philosophy, logic
Greek, Latin, French, German
Associate Professor, Department of Philosophy, University of Nebraska-Lincoln. August 1993 to present
Assistant Professor, Department of Philosophy, University of Nebraska-Lincoln. August 1987 to July 1992
Research assistant to the project of translating the ancient commentaries on Aristotle, under Professor Richard Sorabji, King's College London. September 1986 to June 1987
Publications and research
'Complex property structure in Plato's Philebus'. Ancient philosophy 22 (2002) 263-276.
'Aristotle, Metaphysics 6.2-3, and determinism'. Ancient Philosophy 13 (1993) 341-354.
'Dunamis in Metaphysics 9'. Apeiron 35 #1 (March 1992) 1-26.
'Chrysippus's response to Diodorus's master argument'. History and Philosophy of Logic 13 (1992) 133-148.
'Hobbes' contractarian account of individual responsibility for group actions'. Journal of Value Inquiry 27 (1993) 455-464.
'Sophists', 'Cynics', 'Cyrenaics'. Cambridge Dictionary of Philosophy. Review of Philoponus and Simplicius, Place, void, and eternity. Philosophical Review 102 (1993) 89-90.
Review of Notes on Aristotle's Metaphysics eta and theta. Philosophical Review 99 (1990) 292-293. Review of Michael J. White, Agency and integrality. Philosophical Review 96 (1987) 599-601.
Review of William T. Parry and Edward A. Hacker, Aristotelian logic. History and Philosophy of Logic 14 (1993) 248-249.
Submitted and in progress
'Stoic theories of universals'
'P-series and property structure in Plotinus'
'Metaphysics 6.2-3, coincidences, and determinism', American Philosophical Association Central Division meeting, New Orleans, April 1990.
Possibility and potentiality from Aristotle through the Stoics. (Terence Irwin, Gale Fine, Norman Kretzmann).
Introduction to philosophy
History of philosophy (ancient)
Later classical, and medieval, ethics
Later classical, and medieval, metaphysics
Classical and medieval theories of properties
Universals in classical and medieval philosophy
Aristotle on modalities
Alexander of Aphrodisias
Thomas Aquinas's Five Ways