In logic, among the elements of language, a basic and universal formal element that does not change, as opposed to the substantive content that changes depending on the time and place of speech. Such as "not," "and," "or," "if," and "all" and "are" in predicate logic. Logical constant. Source: About Shogakukan Digital Daijisen Information | Legend |
論理学で、言語の要素のうち、語られる時・所によって変化する実質的な内容に対し、変化しない基本的かつ普遍的な形式的要素。「でない」「かつ」「または」「ならば」および述語論理における「すべて」「ある」など。論理定項。
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