EUBULIDES, a native of Miletus, Greek philosopher and successor of Eucleides as head of the Megarian school. Indirect evidence shows that he was a contemporary of Aristotle, whom he attacked. Tradition says that Demosthenes was one of his pupils. His name has been preserved chiefly by some celebrated, though false and captious, syllogisms of which he was the reputed author. He wrote a treatise on Diogenes the Cynic and a number of come dies. (See MEGARIAN SCHOOL.)