名词中文翻译
中文翻译：反证
同义词：
['negative assertion', 'negative proposition', 'antithesis']
例句：
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1. The scientistused a contrapositive argument to prove his theory.
这位科学家使用了一个反证法来证明他的理论。
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2. The teacher explained the concept of contrapositive in detail.
老师详细解释了反证的概念。
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3. In mathematics, a contrapositive is a way to express a statement as its opposite.
在数学中，反证是一种表达陈述作为其相反的方式。