| 充要条件理解与应用札记 |
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| 引用本文： | 郭昀.充要条件理解与应用札记[J].曲靖师范学院学报,1994(Z1). |
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| 作者姓名： | 郭昀 |
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| 作者单位： | 云南曲靖师范高等专科学校数学系 655000 |
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| 摘 要： | 充要条件是高等数学中一个基础概念,来自于中学数学。本人在几年的教学工作中发现学生对此概念理解较差,反映出来的主要问题是:混淆充分条件与必要条件。本文就此谈谈怎样加深概念的理解,避免错误,提高分析问题,解决问题的能力,并为今后的教学工作打下基础。
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| 关 键 词： | 充分条件 必要条件 充要条件 命题 条件 结论 概念 |
The Understanding and Application of Necessary and Sufficient Conditions |
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| Guo Yun.The Understanding and Application of Necessary and Sufficient Conditions[J].Journal of Qujing Normal College,1994(Z1). |
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| Authors: | Guo Yun |
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| Abstract: | Against the backdrop of the higher mathematics teaching in middle schllos,this article discusses how to enhance our students understanding of the conception of necessary and sufficient conditions and their differences and how to develop their ablities in problem-solving and problem-analising so as to lay a good foundation for their future teaching work. |
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| Keywords: | necessary condition sufficient condition necessary and sufficient condition proposition conditional conclusion conception |
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