According to Aristotle, art (technë) imitates nature. This celebrated doctrine is not limited to what we call the \u27fine arts\u27, or to works of \u27art\u27 in any narrow modern sense; and it does not mean that such art-works copy things in the natural order. It means, more generally, that craftsmen adopt means to produce ends; and that in doing so, they follow a pattern found throughout organic nature. The crafts, in their respective domains, do what nature does everywhere. This parallel often provides Aristotle with analogies from the crafts to illuminate the workings of nature. ,The Poetics is uniquely interesting in that it shows his mind moving, as it were, in the opposite direction. To illuminate a particular craft, that of the poe...