John Deely insists that Aristotle’s framework is not dualistic but trialistic. Against the widespread simplification that reduces his philosophy to a doctrine of matter and form—hylomorphism—Deely reminds us that Aristotle posits threeinseparable principles: “matter (hyle), form (morphe), and privation (steresis).” As Deely writes, “privation gets more or less swept aside in the history of philosophy, and the…
