The quadrivium comprised the four subjects, or arts, taught in medieval universities after the trivium. The word's Latin, meaning "the four ways" or "the four roads": the completion of the liberal arts. The quadrivium consisted of arithmetic, geometry, music, and astronomy. These followed the preparatory work of the trivium made up of grammar, logic (or dialectic, as it was called at the times), and rhetoric. In turn, the quadrivium was considered preparatory work for the serious study of philos… (More on Quadrivium)