1. Robinson , Plato's Earlier Dialectic 1, pp. 268–74.
2. Owen , in Ryle, pp. 341–72. His whole enterprise is designed to show that the second part of the Parmenides ‘is the first systematic exercise in the logic of aporematic and not demonstrative argument’ (p. 348); and it is an immediate corollary that fallacies are very much to be expected, and by no means a cause for alarm, in , although not in proofs.