. . . . "-420Z"^^ . . . . . . . "Protagoras"@en . . . "-490Z"^^ . . . "Protagoras (/pro\u028A\u02C8t\u00E6\u0261\u0259r\u0259s/; Greek: \u03A0\u03C1\u03C9\u03C4\u03B1\u03B3\u03CC\u03C1\u03B1\u03C2; c. 490 \u2013 c. 420 BC) was a pre-Socratic Greek philosopher and is numbered as one of the sophists by Plato."@en . . . "pre-Socratic Greek philosopher" . .