"Euclid of Megara"@en . . . . . . "Euclid of Megara (/\u02C8ju\u02D0kl\u026Ad/; also Euclides, Eucleides; Greek: \u0395\u1F50\u03BA\u03BB\u03B5\u03AF\u03B4\u03B7\u03C2; c. 435 \u2013 c. 365 BCE) was a Greek Socratic philosopher who founded the Megarian school of philosophy. He was a pupil of Socrates in the late 5th century BCE, and was present at his death. He held the supreme good to be one, eternal and unchangeable, and denied the existence of anything contrary to the good."@en . . "Ancient Greek philosopher" . . . . . . "-435Z"^^ . . "-365Z"^^ . . . "Euclid Of Megara"@en .