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1·In this knowledge base system model, we adopt both first order predicate logic (FOPL) and case knowledge representation modes to represent the knowledge.

在本知识库系统模型中，知识表示采用一阶谓词(SDSS)逻辑和案例两者相结合的方式。

2·The access control rule of the ACBAC model is formalized by the first order predicate logic. The realization method of the model in business process management systems is also discussed.

文章用一阶谓词对该模型的访问控制约束规则进行了形式化描述，并讨论了该模型在业务流程管理系统中的实现方法。

3·Predicate logic of first order is the most classical calculation system in modern logic.

一阶谓词逻辑是现代逻辑中最为经典的演算系统。

4·Three temporal logics i. e. first-order predicate calculus, modal logic and reified logic are discussed.

讨论了三种时间逻辑方法：一阶谓词演算，模态逻辑及具体化逻辑。