John Buridan's Questions on Aristotle's De Anima - Iohannis Buridani Quaestiones in Aristotelis De Anima

orseveral?.- Chapter 26. Are there only five external senses?.- Chapter 27. Does a sensible object placed on a sense produce sensation? That is, is it sensed?.- Chapter 28. Is it necessary to postulate a single common sense?.- Chapter 29. Is it necessary to posit other internal senses in addition to the common sense?.- Chapter 30. Is the organ of common sense in the heart or in the brain or in the head (for it is not taken to be anywhere else)?.- Chapter 31. Does actual sensation take place in the external senses as in a subject, or only the reception of sensible species, with sensation taking place only in the heart?.- Part 3. Chapter 32. Is the human intellect a passive power as regards an intelligible object?.- Chapter 33. Must the intellect be devoid of what it understands?.- Chapter 34. Is the human intellect the substantial form of the human body?.- Chapter 35. Is the human intellect a form inhering in the human body?.- Chapter 36. Is there a unique intellect by which all humans understand when they are thinking?.- Chapter 37. Is the human intellect everlasting?.- Chapter 38. Is the possible intellect pure potency in the sense that it is not any kind of actuality, just like prime matter?.- Chapter 39. Does the intellect understand the universal before the singular, or vice versa?.- Chapter 40. Can the human intellect understand itself?.- Chapter 41. Is the active contribution of an agent intellect, apart from the possible intellect, necessary for a human being's act of understanding?.- Chapter 42. Is the intellectual act or even its habit the same as the intellective soul, or a thing added to it?.- Chapter 43. Is every simple act of thinking true?.- Chapter 44. Can a non-being be understood?.- Chapter 45. Is a point represented or understood as a privation?.- Chapter 46. Does the intellect preserve intelligible species once the actual act of thinking has ceased?. Chapter 47. Can the human intellect understand more than one thing at once?.- Chapter 48. Does the intellective soul in a human being differ from the sensitive soul?.- Chapter 49. Is one appetite contrary to another in a human being?.- Chapter 50. Does nature do anything in vain, or is it even sometimes deficient in what is necessary?.- Chapter 51. Is the locomotive power the vegetative, sensitive, intellective, appetitive, or some other power of the soul besides these?.

History of Philosophy, Oxford Studies in Medieval Philosophy, and History of Philosophy Quarterly.  As well, he is currently working on an English translation of John Buridan's commentary on Aristotle's Nicomachean Ethics.

Jack Zupko is Professor of Philosophy at the University of Alberta.  Prior to joining the Alberta Philosophy Department as Chair in 2013, he was Professor and Chair of Philosophy at the University of Winnipeg and taught philosophy for many years at Emory University and San Diego State University.  He held an NEH Fellowship at the Franciscan Institute, St. Bonaventure University.  He has published numerous research articles and four books, including John Buridan: Portrait of a Fourteenth-Century Arts Master (Notre Dame), which was named a Choice Outstanding Academic Book of 2003, and Duns Scotus on Time and Existence (with Edward Buckner) (CUA Press 2014), a translation and commentary on Scotus' Questions on Aristotle's De interpretatione. He has served as a medieval subject editor for the Stanford Encyclopedia of Philosophy since 1998, as well as Book Review Editor (2005-13) and Editor (2015-20) of the Journal of the History of Philosophy.