Saikat Guha studied Philosophy, Physics, and Mathematics at the University of Texas at Austin, the University of Colorado at Boulder, Boise State University, the University of Washington at Seattle, and finally at Syracuse University, where he specialized in logic and ontology. After a long illness, Saikat died in 2008.Editor:Timothy Kearns studied Classics at the University of Texas at Austin, USA, and researches medieval philology at the Center for Medieval and Byzantine Studies at The Catholic University of America. His main interest is in philosophy and literature as ways of life.Series Editors:Gyula Klima is Professor of Philosophy at Fordham University, New York, USA; Doctor of the Hungarian Academy of Sciences; Founding Member and Director of the Society for Medieval Logic and Metaphysics, and Editor of its Proceedings. Professor Klima’s most recent book is John Buridan in OUP’s Great Medieval Thinkers series.Alexander W. Hall is Associate Professor of Philosophy at Clayton State University, Georgia, USA; Assistant Director of the Society for Medieval Logic and Metaphysics, and Managing Editor of its Proceedings. Hall’s recent scholarship includes Natural Theology in the Middle Ages in the Oxford Handbook of Natural Theology (OUP, 2012).