论文标题

PCF的扩展地址机,并具有明确的替换

Extended Addressing Machines for PCF, with Explicit Substitutions

论文作者

Intrigila, Benedetto, Manzonetto, Giulio, Munnich, Nicolas

论文摘要

引入了解决机器作为形式主义,以构建纯净,未型Lambda-Calculus的模型。我们通过添加有关自然数的算术操作的说明来扩展其程序的语法,并引入反射原则,允许某些机器访问其自己的地址并执行递归呼叫。我们证明,由此产生的扩展地址机自然会模拟具有明确替换的弱呼叫PCF。最后,我们证明它们也非常适合代表常规的PCF程序(封闭式)计算自然数。

Addressing machines have been introduced as a formalism to construct models of the pure, untyped lambda-calculus. We extend the syntax of their programs by adding instructions for executing arithmetic operations on natural numbers, and introduce a reflection principle allowing certain machines to access their own address and perform recursive calls. We prove that the resulting extended addressing machines naturally model a weak call-by-name PCF with explicit substitutions. Finally, we show that they are also well-suited for representing regular PCF programs (closed terms) computing natural numbers.

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