V2EX a priori

A Priori

释义 Definition

a priori(形容词/副词)指“先验的基于推理而非经验的”。常用于逻辑、哲学与学术写作中,表示在观察或实证之前就能成立的判断或论证。(另有与之相对的 a posteriori “后验的”。)

发音 Pronunciation

/e prara/

例句 Examples

We rejected the plan a priori because it violated basic safety rules.
我们在没有做实地测试之前就先验地否决了这个计划,因为它违反了基本安全规则。

The theory seems elegant, but an a priori argument cannot replace careful experiments in the real world.
这个理论看起来很优雅,但先验论证不能取代对现实世界的谨慎实验。

词源 Etymology

来自拉丁语 a(“从”)+ priori(“更早的、在先的”),字面义为“从更早者(在先者)出发”。在中世纪经院哲学与后来的哲学传统中,用来描述不依赖经验观察、而依赖理性推演的知识或论证方式。

相关词 Related Words

文学作品 Literary Works

  • Immanuel Kant Critique of Pure Reason(《纯粹理性批判》):核心讨论“先验/后验”知识与判断的区别(英文讨论中常见 a priori 的使用)。
  • Bertrand Russell The Problems of Philosophy(《哲学问题》):以清晰语言讨论知识的来源与“先验”论证。
  • David Hume An Enquiry Concerning Human Understanding(《人类理解研究》):在英文哲学语境中常以 a priori 对比经验(empirical)知识。
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