Abstract

THE first-century Skeptic philosopher Agrippa was said by Sextus Empiricus to have based his attack against the possibility of philosophical understanding on five "tropes" or ploys--for sophisticated Skeptics did not refer to their considerations as arguments, lest that imply the concession that there is a recognized and recognizable criterion of truth. Rather they appealed only to the plausibility of their tropes, as a means of suggesting that philosophical questions are best left unasked, since they appear to be in principle unanswerable. Agrippa's tropes rested on the following considerations