Abstract
To speak of ‘the real subject’ or ‘the primary aim’ of a Platonic dialogue usually means to magnify one aspect of it at the expense of other aspects as important. Such is not my intention. It is quite clear, however, without prejudice to the philosophic value of any of the topics discussed, that the Protagoras is an attack upon the sophists as represented by Protagoras, the greatest of them. Hippias and Prodicus are present and some of the great man's glory is reflected upon them; they are also no doubt to some extent implicated in his defeat, though they seem quite unaware of the fact