Description logic is a formal language for representing knowledge and it is a decidable subset of first-order logic.

描述逻辑是一种知识表示的形式化语言，是一阶逻辑的可判定子集。

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Description logic is a formal language for representing knowledge and it is a decidable subset of first-order logic.

描述逻辑是一种知识表示的形式化语言，是一阶逻辑的可判定子集。

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