In order to maintain the integrity of deductive databases, deductive knowledge assimilation and implementation in meta-predicate are introduced.

对系统的完整性约束问题提出了关于演绎知识的吸收概念以及用元谓词实现吸收的方法。

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Advanced database should be capable of managing data, object and knowledge, and deductive object database can just meet all these requirements.

现代数据库应能管理数据、对象和知识，而演绎对象数据库恰恰满足这些要求。

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By deductive reason, Plato believed that one could extract the innate knowledge which is present at birth, derived from the realm of forms.

通过演绎原因，柏拉图认为，人们可以提取先天的知识本是在出生时，来自境界的形式。

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