以两对立的概念诠释宇宙现象的说明方法。如柏拉图实有与非有说,亚里士多德形与质说,皆属二元论。反一元论
英语 dualism, belief that the universe is made of two different substance (e.g. mind and matter or good and evil)?
法语 Dualisme (philosophie de l'esprit)?