V2EX disjunctive

Disjunctive

释义 Definition

(逻辑/语法)析取的;选择性的;(表示“或者”的)。常见于逻辑学中的“or”关系,表示在若干选项中至少一个为真/成立(有时在特定语境下也可指“互斥的二选一”)。此外也可指语言表达或结构不连贯的、跳跃的(较少见)。

发音 Pronunciation

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例句 Examples

The survey uses a disjunctive question: coffee or tea.
这份调查使用了一个析取式问题:咖啡还是茶。

In formal logic, a disjunctive statement can be true even if only one of its parts is true.
在形式逻辑中,析取命题即使只有其中一部分为真,也可以为真。

词源 Etymology

disjunctive 源自拉丁语 disiunctus(“分开的、分离的”),由 *dis-*(分开)+ iungere(连接)构成;进入英语后主要用于逻辑与语法领域,表示“把选项分开供选择”的关系。

相关词 Related Words

文学与名著用例 Literary Works

  • 乔治布尔(George Boole)《The Laws of Thought》(1854):讨论逻辑代数时常用 disjunctive 描述“或(OR)”关系与命题结构。
  • 伯特兰罗素(Bertrand Russell)《Introduction to Mathematical Philosophy》(1919):在讲解命题逻辑与逻辑连接词时会使用 disjunctive(析取)相关术语。
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