V2EX well-formed

Well-Formed

释义 Definition

(尤用于语言学、逻辑学、数学等)形式良好的;合乎规范的;结构完整的。常见搭配:*well-formed sentence / well-formed formula (WFF)*。
(在一般语境中也可指)构造得当、设计合理

发音 Pronunciation (IPA)

/wl frmd/

例句 Examples

This is a well-formed sentence.
这是一个形式良好的句子。

In formal logic, only well-formed formulas can be assigned a truth value under a given interpretation.
在形式逻辑中,只有形式良好的公式才能在给定解释下被赋予真值。

词源 Etymology

well(“好地、恰当地”,源自古英语 wel)+ formed(“成形的、被构成的”,来自 form “形式、形状”加过去分词后缀 -ed)构成,字面意思是“被良好地构成”。在20世纪的语言学与逻辑学写作中,常用来指“符合规则生成”的结构。

相关词 Related Words

文学与著作 Literary Works

  • Syntactic Structures(Noam Chomsky):讨论句法规则与“良构/可生成”的表达式。
  • Gdel, Escher, Bach: An Eternal Golden Braid(Douglas Hofstadter):多次提到“well-formed formula”等形式系统概念。
  • The Language Instinct(Steven Pinker):在通俗语言学语境中涉及“合语法/结构良好”的表达。
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