Rene Descartes thought that he proposed the intuition is the foundation of method, is because the traditional logic deduction in theoretically and in the practice in flaw.

• 这正是本文论证的重点，笛卡尔之所以提出直观的基础方法，乃是因为传统单一逻辑推演方法在理论上与实践上的缺陷。