Sophism: Did you mean...?

Protagoras of Abdera (l.c. 485-415 BCE) is most famous for his claim that "Of all things the measure is Man, of the things that are, that they are, and of the things that are not, that they are not" (DK 80B1) usually rendered simply as "Man...

Gorgias (l. c. 427 BCE) was a Greek Sophist and philosopher, considered the greatest Rhetorician of his day. He is said to have created several aspects of public speaking still in use and to have mastered the art of persuasion, commanding...