柏拉图理念论的形成数学起了关键的作用。理念论把世界分为理念世界和可感世界,从而形成哲学两重世界。柏拉图的哲学两重世界对西方哲学的影响非常大,西方许多哲学大家都受过柏拉图理念论的影响。哲学两重世界的理论影响了自然法,使自然法成为了形式法,对实定法具有约束作用,这对西方法律形式合理性的形成具有重要影响。 Platonic theory of mathematics plays a key role in the formation. The concept of theory divides the world into the concept of the world and the world can feel so as to form the world of philosophy. Platonic philosophy of dual world impact on Western philosophy is very large, many of the Western philosophy are subject to Platonic theory of influence. The theory of philosophical dual world has influenced natural law, made natural law a formal law and has a binding effect on the act of affirmation, which has an important influence on the formation of the legitimacy of the western legal form.