I explain what Aristotle means when, after puzzling about the matter of motion in incomplete animals (those without sight, smell, hearing), he suggests in De Anima III 11.433b31–434a5 that just as incomplete animals are moved indeterminately, desire and phantasia are present in those animals, but present indeterminately. I argue that self-motion and its directing faculties in incomplete animals differ in degree but not in kind from those of complete animals. I examine how an object of desire differs for an incomplete (...) animal. Using a comparison with Aristotle’s account of recollection, especially in unfavorable circumstances, I describe indeterminate self-motion. Finally, I discuss implications for our understanding of Aristotle’s accounts of the faculties of the soul and incomplete animals. (shrink)

A lot of scholarly attention has been given to Aristotle’s account of how and why animals are capable of moving themselves. But no one has focused on the question, whether self-change is possible in plants on Aristotle’s account. I first give some context and explain why this topic is worth exploring. I then turn to Aristotle’s conditions for self-change given in Physics VIII.4, where he argues that the natural motion of the elements does not count as self-motion. I apply those (...) conditions to natural change in plants. Then I explore the reasons for and consequences of Aristotle’s argument that plants are incapable of sensation. I argue that for Aristotle plants cannot possess the directing faculties for self-change, namely, desire and phantasia. My goal is to show why growth, metabolism, and reproduction in plants would not count as self-change for Aristotle, despite many of these natural changes appearing as autonomous as the analogous changes in animals. This sheds light on how, for Aristotle, self-change differs from natural change. (shrink)

It is well known that Aristotle tries to make room for self-motion – an idea he inherits to some extent from Plato – within his other commitments to causal determinism while at the same time modifying the idea. However, one argument in Physics VII 1 seems to pose a problem for the bare possibility of self-motion; in it he seems to argue that everything that moves must be moved by something else. The text in which this argument appears is itself (...) vexed on a number of fronts, because it is not clear how Physics VII fits with the rest of the Physics, and also because there are two distinct manuscript traditions for Physics VII. So the argument in Physics VII 1 has not been adequately taken into account in discussions of self-motion. I argue for a new and charitable reading of Aristotle’s Physics VII 1 α241b35-242a49 / β241b25-242a15. I show that the argument is compatible with Aristotle’s endorsements of self-motion; I defend the argument’s most controversial premise; and I argue that my reading has some useful implications for understanding Aristotelian self-motion. (shrink)

Notes on recent books on Aristotle, including Myles Burnyeat, Aristotle's Divine Intellect.