诡辩是一种不正当的辩论文法，主要是采取巧妙的方法，故意违反逻辑，为自己的错误论点进行辩护。诡辩在学术讨论中有之，在法庭辩论中亦有之。诡辩的伎俩很多，几乎所有的逻辑规律和规则它都有空子可钻。我们要善于揭露诡辩，就要学习和掌握有关的逻辑知识，本文仅就一个辩护 Sophistry is an illegitimate grammar of the debate, primarily a clever way of deliberately violating logic and defending one’s own mistakes. Sophistry in academic discussions, in the courtroom debate also. Sophisticated trick sophistry, almost all of the rules and rules of logic it is free to drill. We should be good at exposing the sophistry, it is necessary to learn and master the relevant logic, this article is only a defense