V2EX temporal logic

Temporal Logic

Definition / 定义

时序逻辑:一种用于描述“命题在时间维度上如何变化”的形式逻辑,常用来表达诸如“最终会发生”“一直保持”“直到……为止”等时间性质,广泛应用于计算机科学中的系统规格说明、并发/分布式系统分析、模型检测(model checking)等。(常见分支包括 LTL 线性时序逻辑、CTL 计算树时序逻辑。)

Pronunciation / 发音

/tmprl ldk/

Examples / 例句

Temporal logic helps us describe what a system should do over time.
时序逻辑帮助我们描述一个系统在时间推移中应该如何表现。

Using temporal logic, engineers can specify safety and liveness properties, such as “a request is eventually granted,” and then verify them with model checking.
借助时序逻辑,工程师可以写出安全性与活性性质(例如“请求最终会被批准”),并用模型检测对其进行验证。

Etymology / 词源

temporal 来自拉丁语 temporalis(“时间的”),源自 tempus(“时间”);logic 来自希腊语 logikē(“推理的、逻辑的”),与 logos(“言语、理性、论证”)相关。合起来 temporal logic 字面义即“关于时间的逻辑”,强调把时间结构引入推理系统中。

Related Words / 相关词

Literary Works / 文学作品

  • Amir Pnueli, “The Temporal Logic of Programs” (1977)
  • E. Allen Emerson, “Temporal and Modal Logic”(综述/教材章节,常被引用)
  • Edmund M. Clarke, Orna Grumberg, Doron A. Peled, Model Checking (1999)
  • Leslie Lamport, Specifying Systems: The TLA+ Language and Tools for Hardware and Software Engineers (2002)
  • Michael Huth & Mark Ryan, Logic in Computer Science: Modelling and Reasoning about Systems (多版)
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