. . "0"^^ . . "11250056-n"^^ . "Pythagoras"@en-us . . . "111250056"^^ . . . "0"^^ . . . "110519485"@en-us . "107750043"@en-us . . . . "Pythagoras"^^ . "Greek philosopher and mathematician who proved the Pythagorean theorem; considered to be the first true mathematician (circa 580-500 BC)"@en-us . . . . . .