John Buridan (d. 1361) was one of the most talented and influential philosophers of the late Middle Ages. His fame extended far into the seventeenth century and underwent a revival in the twentieth century, when the French physicist Pierre Duhem rediscovered his manuscripts and wrote studies about them. So far, very few of Buridan's works have been edited. Two different questions commentaries on Aristotle's De generatione et corruptione by Buridan have been preserved. They originated in his classroom. Neither of them has ever been edited. This book presents a critical edition of the...