V2EX intensional

Intensional

释义 Definition

intensional(形容词)指“内涵的 / 意涵的”:强调一个词、概念或表达式的意义内容、概念属性或所表达的条件,而不是它在现实世界中指向哪些具体对象(外延)。在逻辑学、语言学与语义学中常与 extensional(外延的)对比使用。(另有较少见用法与“强度”相关,但最常见的是语义/逻辑义。)

例句 Examples

The phrase “a unicorn” has intensional meaning even though it has no real-world referent.
“a unicorn(独角兽)”这个短语有内涵意义,即使它在现实世界中没有对应的指称对象。

In intensional contextslike belief reportssubstituting two co-referential names can change the truth of a sentence.
在内涵语境中(例如“相信”的报告句),用两个指向同一对象的名字互换,可能会改变句子的真假。

发音 Pronunciation (IPA)

/ntnnl/

词源 Etymology

来自 intension(内涵、意涵)+ 形容词后缀 -alintension 源于拉丁语词根 intendere(意为“指向、延伸、用意”),在现代逻辑与语义学里被用来表示“概念所包含的性质/条件集合”,与表示“指称对象集合”的 extension(外延相对。

相关词 Related Words

文学与经典著作中的用例 Literary / Notable Works

  • W. V. O. Quine, Word and Object(讨论内涵/外延与指称问题时常出现 intensional
  • Rudolf Carnap, Meaning and Necessity(在模态与语义框架中系统使用 intensional
  • G. E. Hughes & M. J. Cresswell, An Introduction to Modal Logic(讲解模态逻辑与内涵语境时频繁使用)
  • Barbara H. Partee, Alice ter Meulen & Robert E. Wall, Mathematical Methods in Linguistics(形式语义相关章节会用到 intensional
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