Abstract

For two and a half millennia readers of Aristotle have been struggling to understand just what sort of causation is being attributed to the Prime Unmoved Mover or PM, whether final or efficient, assuming that this supreme being could not be a material cause or even a formal cause of the entire cosmos. Fred Miller entered into this still ongoing debate with a fresh proposal, drawing on an almost incidental remark in GC 1.6.323a25-33 that was later picked up by Philoponus in his commentary on Aristotle’s text. The fundamental question is whether the PM’s causal role is to be restricted to a case of final causation or is there evidence for efficient causation as well? Just how ancient this question of interpretation is can be clearly shown by the following remarks made by Simplicius in the first half of the sixth century in his Neo-Platonist commentary on Phys VIII.6.267b17-26:Simplicius goes on to argue in some detail for this dual picture, primarily because of his harmonizing approach to Plato and Aristotle, but also by referencing some very specific passages in other works—notably Cael, GC, DM—but also Met, albeit only from its first book (1361.11-1363.24). He starts out here by claiming that “[n]o one disputes that Aristotle calls god or the primary mover a final cause” but realizes that showing that the PM is an efficient cause as well needs some textual support, which he dutifully attempts to provide. We will be going over some of the same ground cited here in trying to articulate Aristotle’s conception of divine causation and in particular to decide if Fred Miller’s thoughts about the “untouched toucher” will help us in the overall endeavor to explore Λ.6-10. Since he points out (at p. 278) that the PM could hardly be a material cause or even a formal cause, his framing the issue as to whether the mode of causation here is exclusively efficient or exclusively final, or, on the other hand, both at once, seems very close to how Simplicius set up the problem. Indeed, he cites the same section of Simplicius’s commentary quoted above and finds this ancient perplexity a good jumping off point for his own attempt to shed light on a fundamental issue of interpretation, noting that if we balk at the Neo-Platonic suggestion that Aristotle’s PM “is on a par with Plato’s demiurge,” the question becomes: “in what way is the prime mover supposed to be an efficient cause?” (p. 279). Miller’s novel suggestion is that one way of dealing with this question is the thought that the PM is an “untouched toucher.” It is crucial to his picture that this suggestion is strongly tied to the prospect of finding “a way in which the unmoved mover of the cosmos could be a genuine efficient cause” (p. 287) and not I believe, as W.D. Ross may have held, an efficient cause only by being a final cause. This will become important when we explore what untouched touching would be quite generally, given the emphasis on the psychological dynamics of this sort of affective action as suggested by the everyday examples provided by both Aristotle and Philoponus.