How is Protagoras' relativism self-refuting?

プロタゴラスの相対主義はいかにして自己論駁的か

How is Protagoras' relativism self-refuting?

Creators Wakijo Yasuhiro

Validity of Plato's argument against Protagoras' relativism at Theaetetus 171a-c has been called into question by many scholars, largely because the argument, notoriously, omits the qualifying phrase "for x", the phrase of vital importance to relativism. Recently Luca Castagnoli offered a valuable interpretation of the passage, according to which Plato's argument does not aim at proving the absolute falsehood of relativism, but successfully shows that it turns out to be untenable for Protagoras himself in dialectical contexts...

[ISSN]0919-357X

[NCID]AN10403441