V2EX unprovable

Unprovable

释义 Definition

(尤指在某个体系/条件下)无法被证明的;不可证的。 常用于数学、逻辑、哲学或辩论语境,表示“现有前提或规则下不能推出其为真”。

发音 Pronunciation

/npruvbl/

例句 Examples

The claim is unprovable with the evidence we have.
在我们现有的证据下,这个说法是无法证明的。

Within that axiomatic system, the statement is true but unprovable, which forces mathematicians to question what counts as a proof.
在那个公理系统中,这个命题为真却不可证,这迫使数学家重新思考什么才算“证明”。

词源 Etymology

由 **un-**(否定前缀,“不/无”)+ provable(可证明的)构成;而 prove 源自拉丁语 probare,意为“检验、证明、证实”。因此 unprovable 字面意思就是“不能被证明的”。

相关词 Related Words

文学与作品 Literary Works

  • Gdel, Escher, Bach: An Eternal Golden Braid(Douglas Hofstadter)讨论形式系统、可证性与“不可证命题”等话题时常使用该词。
  • Gdel’s Incompleteness Theorems(Raymond M. Smullyan)围绕不完备性定理与不可证性展开,语境中常见该词。
  • Introduction to Mathematical Philosophy(Bertrand Russell)涉及逻辑证明与形式体系讨论时,相关表述中常出现该词或同义概念。
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