..., evidently written in six books, Numenius offers his understanding of Plato's Idea of the Good. Nothing in the fragments suggests that he is thinking of Plato's public lecture on the Good, but then there is also nothing to indicate that he thought that such a lecture contained anything other than what could...

...This chapter analyzes the Idea of the Good, the “unhypothetical first principle of all.” All Platonists have acknowledged the need for a first unifying metaphysical principle of all. That the need for such a principle is recognized in Plato's dialogues, in Aristotle's testimony, and in the indirect...

...This chapter investigates the centrality of the Idea of the Good for Plato's ethics. It is certainly a remarkable fact that just as the Idea of the Good has little presence in the bulk of Anglo-American scholarship on Plato's metaphysics, so it has little presence in accounts of Plato's ethics...

... in Republic “the Idea of the Good” and, according to Aristotle's testimony, identified by Plato with “the One.” However, many contemporary philosophers embrace an opposing position, widely labeled “Naturalism.” Strikingly, many of the arguments for this position are arguments against elements...