-
93Celestial Motions in the Late Middle AgesEarly Science and Medicine 2 (2): 129-148. 1997.With the introduction of Greco-Islamic science and natural philosophy, medieval natural philosophers were confronted with three distinct astronomical systems: Aristotelian, Ptolemaic, and the system of al-Bitruji. A fundamental problem that each had to confront was how to explain simultaneous contrary motions in the heavens -for example, the sun's motion, which moves east to west with a daily motion while simultaneously moving west to east along the ecliptic- within an Aristotelian physical syst…Read more
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56Scientific imagination in the middle agesPerspectives on Science 12 (4): 394-423. 2004.: Following Aristotle, medieval natural philosophers believed that knowledge was ultimately based on perception and observation; and like Aristotle, they also believed that observation could not explain the "why" of any perception. To arrive at the "why," natural philosophers offered theoretical explanations that required the use of the imagination. This was, however, only the starting point. Not only did they apply their imaginations to real phenomena, but expended even more intellectual energy…Read more
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42God and Natural Philosophy: the Late Middle Ages and Sir Isaac NewtonEarly Science and Medicine 5 (3): 279-298. 2000.
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32The Fate of Ancient Greek Natural Philosophy in the Middle AgesReview of Metaphysics 61 (3): 503-526. 2008.
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28How Theology, Imagination, and the Spirit of Inquiry Shaped Natural Philosophy in the Late Middle AgesHistory of Science 49 (1): 89-108. 2011.
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26Medical Futility: Legal and Ethical AspectsJournal of Law, Medicine and Ethics 20 (4): 330-335. 1992.
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18Opera quadrivialia, 1: Opera Petri Philomenae; 2: Opera Petri de Sancto Audomaro (review)Speculum 61 (1): 248-248. 1986.
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10Celestial Motions in the Late Middle AgesEarly Science and Medicine 1 (2): 129-148. 1997.With the introduction of Greco-Islamic science and natural philosophy, medieval natural philosophers were confronted with three distinct astronomical systems: Aristotelian, Ptolemaic, and the system of al-Bitruji. A fundamental problem that each had to confront was how to explain simultaneous contrary motions in the heavens -for example, the sun's motion, which moves east to west with a daily motion while simultaneously moving west to east along the ecliptic- within an Aristotelian physical syst…Read more
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The "Small Beginnings" of Euthanasia: Examining the Erosion in Legal Prohibitions Against Mercy-KillingNotre Dame Journal of Law, Ethics and Public Policy 2 (2): 585-634. 1986.
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Georgetown UniversityOther (Part-time)
Washington, District of Columbia, United States
Areas of Interest
Metaphysics |
Applied Ethics |
Medieval and Renaissance Philosophy |