Restriction on Cut in Cyclic Proof System for Symbolic Heaps
Restriction on Cut in Cyclic Proof System for Symbolic Heaps
复制标题
符号堆循环证明系统中剪切的限制
DOI:
10.1007/978-3-030-59025-3_6
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Kimura Daisuke
中科院分区:
文献类型:
--
作者:
Saotome Kenji;Nakazawa Koji;Kimura Daisuke
It has been shown that some variants of cyclic proof systems for symbolic heap entailments in separation logic do not enjoy the cut elimination property. To construct complete system, we have to consider the cut rule, which requires some heuristics to find cut formulas in bottom-up proof search. Hence, we hope to achieve some restricted variant of cut rule which does not change provability and does not interfere with automatic proof search without heuristics. This paper gives a limit on this challenge. We propose a restricted cut rule, called the presumable cut, in which cut formula is restricted to those which can occur below the cut. This paper shows that there is an entailment which is provable with full cuts in cyclic proof system for symbolic heaps, but not with only presumable cuts.
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期刊:
Bulletin of the Section of Logic 34(4)
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发表时间:
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