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反证法和数学归纳法是数学中应用十分广泛的两种重要证明方法,二者之间不是孤立的,本文主要介绍怎样依据最小数原理用反证法代替数学归纳法,仅供参考。
Defectives and mathematical induction are two important proof methods widely used in mathematics. The two are not isolated. This paper mainly introduces how to replace the mathematical induction with the evidential method according to the principle of the least number, for reference only.