Mechanisms in Ancient Philosophy of Science

Abstract

This essay considers the place of mechanisms in ancient theories of science. It might seem therefore to promise a meager discussion, since the importance of mechanisms in contemporary scientific explanation is the product of a revolution in scientific thinking connected with the late Renaissance and its mechanization of nature. Indeed the conception of astronomy as devoted merely to “saving the appearances” without reference to the physics of planetary motion might seem an instance of ancient science vigorously rejecting mechanisms. This fact should suggest to us that there is no simple truth about the role of mechanisms in science that is not relative to a particular strategy or historical moment in the development of a scientific tradition. It should also remind us of a parallel question concerning scientific theory, the question now expressed in the issue of realism and instrumentalism. A discussion of Aristotle's views on scientific explanation in the Posterior Analytics, and particularly his concept ...