Fast Subsumption Checks Using Anti-Links

被引:0
|
作者
Anavai Ramesh
Bernhard Beckert
Reiner Hähnle
Neil V. Murray
机构
[1] Intel Corporation,Institute for Logic, Complexity and Deduction Systems
[2] MS CH6-418,Institute for Programming amp; Logics, Department of Computer Science
[3] University of Karlsruhe,undefined
[4] University at Albany,undefined
来源
Journal of Automated Reasoning | 1997年 / 18卷
关键词
subsumption; anti-links;
D O I
暂无
中图分类号
学科分类号
摘要
The concept of anti-link is defined (an anti-link consists of two occurrences of the same literal in a formula), and useful equivalence-preserving operations based on anti-links are introduced. These operations eliminate a potentially large number of subsumed paths in a negation normal form formula. Those anti-links that directly indicate the presence of subsumed paths are characterized. The operations have linear time complexity in the size of that part of the formula containing the anti-link.
引用
收藏
页码:47 / 83
页数:36
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