【摘要】 通过具体实例来说明反例在数学分析中的作用：透彻理解定理的条件,培养学生的逆向思维能力,准确把握概念间的关系,揭示概念的内涵,促进新理论的产生。更多还原

【Abstract】 By specific instance explicate the effect of anti-example in mathematical analysis is presented.That is,to un- derstand profoundly the condition of theorem,and to cultivate students ability of thought,and to understand relations of concept in precise terms,and to make penetrating analysis the intension of concept,and to promote new theory to be produced.更多还原