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Logical Relations for Monadic Types

机译:单子类型的逻辑关系

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Logical relations and their generalizations are a fundamental tool in proving properties of lambda-calculi, e.g., yielding sound principles for observational equivalence. We propose a natural notion of logical relations able to deal with the monadic types of Moggi's computational lambda-calculus. The treatment is categorical, and is based on notions of subsconing and distributivity laws for monads. Our approach has a number of interesting applications, including cases for lambda-calculi with non-determinism (where being in logical relation means being bisimilar), dynamic name creation, and probabilistic systems.
机译:逻辑关系及其概括是证明lambda计算的属性的基本工具,例如,为观察等效性产生合理的原理。我们提出了一种逻辑关系的自然概念,该逻辑关系能够处理Moggi的计算lambda微积分的单数类型。这种处理是绝对的,基于对单子的服从和分配定律的概念。我们的方法有许多有趣的应用,包括具有不确定性的lambda计算(在逻辑关系中是双相似的),动态名称创建和概率系统的情况。

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