V2EX proof-theory

Proof-theory

释义 Definition

proof-theory证明论。数理逻辑与元数学的一个分支,研究“证明”本身的形式结构与推理规则(例如自然演绎、相继式演算),常用于分析形式系统的一致性可归约性证明强度等性质。

发音 Pronunciation (IPA)

/pruf θiri/

例句 Examples

Proof-theory studies formal proofs.
证明论研究形式化的证明。

In modern logic, proof-theory provides toolssuch as cut-elimination and normalizationto compare the strength of axiomatic systems and to clarify what can be derived from which assumptions.
在现代逻辑中,证明论提供诸如消去割与规范化等工具,用来比较公理系统的证明强度,并澄清在何种假设下可以推出哪些结论。

词源 Etymology

该词由 proof(证明)与 theory(理论)组合而成,字面义为“关于证明的理论”。作为术语,常与 1920 世纪形式主义与元数学的发展相关,用来指代对“证明作为对象”的系统研究。

相关词 Related Words

文学与经典著作 Literary Works

  • Gaisi Takeuti, Proof Theory(专著名直接以该术语为题,系统讨论证明论核心方法)
  • Jean-Yves Girard, Proofs and Types(连接证明论与类型论的经典著作)
  • A. S. Troelstra & H. Schwichtenberg, Basic Proof Theory(入门与综述性教材,广泛使用“proof-theory”)
  • Kurt Gdel 相关论文与讲义(在讨论可证明性、形式系统性质时常涉及证明论框架与术语)
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