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arXiv cs/0310063cs.LO
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具有单调基数原子的逻辑程序

Logic programs with monotone cardinality atoms

Victor W. Marek, Ilkka Niemela, Miroslaw Truszczynski

摘要:

我们研究的MCA程序,即逻辑程序的条款建立的单调基数原子的形式kX,其中k是一个非负整数和X是一个有限的命题原子集。我们发展了一个多学科计算机辅助设计的理论。我们证明了一步可证明性算子的操作概念可以推广到mca-程序,但是推广涉及到不确定性。我们的主要结果表明,MCA程序的形式主义是一个共同的推广(1)正常的逻辑程序设计与其语义的模型,支持的模型和稳定的模型,(2)逻辑程序设计与基数原子和语义的稳定模型,定义的Niemela,Simons和Soininen,(3)析取逻辑程序设计与Sakama和井上的可能模型语义。

英文摘要:

We investigate mca-programs, that is, logic programs with clauses built of monotone cardinality atoms of the form kX, where k is a non-negative integer and X is a finite set of propositional atoms. We develop a theory of mca-programs. We demonstrate that the operational concept of the one-step provability operator generalizes to mca-programs, but the generalization involves nondeterminism. Our main results show that the formalism of mca-programs is a common generalization of (1) normal logic programming with its semantics of models, supported models and stable models, (2) logic programming with cardinality atoms and with the semantics of stable models, as defined by Niemela, Simons and Soininen, and (3) of disjunctive logic programming with the possible-model semantics of Sakama and Inoue.

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