他的法律话语理论的基础是他的交往行为理论和话语理论。他试图用这一理论去解决法律的合法性问题，以及法律实践中的合理性问题。

His discourse theory of law is based on bis theory of communicative action and discourse theory, and its aim is to solve the problem of legitimacy of law and rationality of legal practice.

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哈贝马斯在其交往合理性理论基础上提出了法律商谈论，认为法律是否合法的根据并不在于它是否实际有效，而在于它是否体现了一种以对话为前提要件的法律商谈精神。

While Habermas produces his legal communicative theory on the basis of the theory of deliberative reasonableness, and holds that the legitimacy of law stands on the base of deliberative spirits with.

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