Operational semantics of resolution and productivity in Horn clause logic

Operational semantics of resolution and productivity in Horn clause logic
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Horn 子句逻辑中解析和生产力的操作语义

DOI:
10.1007/s00165-016-0403-1
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发表时间:
2017
影响因子:
1
通讯作者:
Fu P
Fu P
中科院分区:
计算机科学3区
文献类型:
--
作者:
Fu P

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本文研究了Horn子句逻辑中不同归结策略的运算性质和类型论性质。我们区分了四种不同的分辨率:统一分辨率(SLD分辨率),术语匹配分辨率,最近引入的结构分辨率和部分(或懒惰)分辨率。我们把它们统一表示为抽象的归约系统,这使我们能够对它们的性质进行彻底的比较分析。为了匹配这种小步骤语义,我们建议采用霍华德的SystemHas的类型理论语义对应物。使用SystemH,我们将Horn公式解释为类型,并将给定公式的推导解释为居住在该公式给出的类型中的证明项。我们证明了这些抽象约简系统相对于SystemH的合理性,并证明了SLD-分辨率和结构分辨率相对于SystemH的完备性。我们确定的条件下,结构分辨率在操作上相当于SLD分辨率。我们展示了没有存在变量的Horn子句程序的术语匹配解决方案与术语重写之间的对应关系。
This paper presents a study of operational and type-theoretic properties of different resolution strategies in Horn clause logic. We distinguish four different kinds of resolution: resolution by unification (SLD-resolution), resolution by term-matching, the recently introduced structural resolution, and partial (or lazy) resolution. We express them all uniformly as abstract reduction systems, which allows us to undertake a thorough comparative analysis of their properties. To match this small-step semantics, we propose to take Howard’s SystemHas a type-theoretic semantic counterpart. Using SystemH, we interpret Horn formulas as types, and a derivation for a given formula as the proof term inhabiting the type given by the formula. We prove soundness of these abstract reduction systems relative to SystemH, and we show completeness of SLD-resolution and structural resolution relative to SystemH. We identify conditions under which structural resolution is operationally equivalent to SLD-resolution. We show correspondence between term-matching resolution for Horn clause programs without existential variables and term rewriting.
证明相关的核心递归解析
DOI: --
发表时间: 2015
期刊: Fuji International Symposium on Functional and Logic Programming
影响因子: --
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Peng Fu;Ekaterina Komendantskaya;Tom Schrijvers;Andrew Pond
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结构解析:霍恩子句逻辑中的共归纳证明搜索和证明构造的框架
DOI: --
发表时间: 2015
期刊: arXiv.org
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类型类:设计空间的探索
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发表时间: 1997
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发表时间: 2007
影响因子: 1.1
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DOI: 10.1093/logcom/exu026
发表时间: 2016
影响因子: 0.7
作者:
Komendantskaya E
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