Aristotle's Physics 1.4-9 explores a range of questions about the basic structure of reality, the nature of prime matter, the principles of change, the relation between form and matter, and the issue of whether things can come into being out of nothing, and if so, in what sense that is true. Philoponus' commentaries do not merely report and explain Aristotle and the other thinkers whom Aristotle is discussing. They are also the philosophical work of an independent thinker in the Neoplatonic tradition. Philoponus has his own, occasionally idiosyncratic, views on a number of important issues, and he sometimes disagrees with other teachers whose views he has encountered perhaps in written texts and in oral delivery. A number of distinctive passages of philosophical importance occur in this part of Book 1, in which we see Philoponus at work on issues in physics and cosmology, as well as logic and metaphysics. This volume contains an English translation of Philoponus' commentary, as well as a detailed introduction, commentary notes and a bibliography.

Book 2 of the Physics is arguably the best introduction to Aristotle's work, both because it explains some of his central concepts, such as nature and the four causes, and because it asks some gripping questions that are still debated today: Is chance something real? If so, what? Can nature be explained by chance, necessity and natural selection, or is it purposive? Philoponus' commentary is not only a valuable guide, but also a work of Neoplatonism with its own views on causation, the Providence of Nature, the problem of evil and the immortality of the soul.

In some of his most famous works, John Philoponus (c. 490-570 CE) confronts numerous aspects of Aristotle's philosophy and science. Yet the influence of these reinterpretations and critiques remains under-examined. This volume fills this gap by uncovering the considerable impact of Philoponus' natural philosophy in both the medieval and Renaissance periods. Divided into three parts, the first part of the volume introduces central concepts in Philoponus' philosophy. Highlighting the areas of crossover as well as of disagreement with Aristotle, chapters dedicate specific attention to Philoponus' theories of place, matter and vacuum; his ideas of motion; his discussion of the heavens and the fifth element; and his anthropology. This is followed, in parts two and three, by a focus on Philoponus' reception in the Middle Ages and the Renaissance respectively. Shedding light on the scientific ideas circulating in these periods, international experts explore a range of topics from the renewal of Aristotelianism in the Arab world, through the medieval Byzantine and Latin traditions, to Philoponus' appearance in the early works of Galileo. Engaging with a number of Philoponus' key tracts, The Reception of John Philoponus' Natural Philosophy is both a much-needed study of Philoponus' influence and a revealing analysis of how Aristotelian science was received, adapted, critiqued and mediated throughout the Middle Ages and the Renaissance.

Book 3 of Aristotle's Physics primarily concerns two important concepts for his theory of nature: change and infinity. Change is important because, in Book 2, he has defined nature - the subject-matter of the Physics - as an internal source of change. Much of his discussion is dedicated to showing that the change occurs in the patient which undergoes it, not in the agent which causes it. Thus Book 3 is an important step in clearing the way for Book 8's claims for a divine mover who causes change but in whom no change occurs. The second half of Book 3 introduces Aristotle's doctrine of infinity as something which is always potential, never actual, never traversed and never multiplied. Here, as elsewhere, Philoponus the Christian turns Aristotle's own infinity arguments against the pagan Neoplatonist belief in a beginningless universe. Such a universe, Philoponus replies, would involve actual infinity of past years already traversed, and a multiple number of past days. The commentary also contains intimations of the doctrine of impetus - which has been regarded, in its medieval context, as a scientific revolution - as well as striking examples of Philoponus' use of thought experiments to establish philosophical and broadly scientific conclusions.

Physics in Neoplatonist thought, the subject which occupies the second volume of this sourcebook, was innovative: the world of space and time was causally ordered by a nonspatial, nontemporal world, and this view required original thinking

Presents a survey of what Arabic philosophers, as commentators of Aristotle's Physics, have contributed to philosophy and science in the Middle Ages. Their influences on each other and the extent of the influences of previous Greek commentators on them, are also examined.

This book considers the concepts that lay at the heart of natural philosophy and physics from the time of Aristotle until the fourteenth century. The first part presents Aristotelian ideas and the second part presents the interpretation of these ideas by Philoponus, Albertus Magnus, Thomas Aquinas, John Buridan, and Duns Scotus. Across the eight chapters, the problems and texts from Aristotle that set the stage for European natural philosophy as it was practiced from the thirteenth to the seventeenth centuries are considered first as they appear in Aristotle and then as they are reconsidered in the context of later interests. The study concludes with an anticipation of Newton and the sense in which Aristotle's physics had been transformed.