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Reasoning with Infinite Stable Models II: Disjunctive Programs

机译:无限稳定模型的推理II:析取程序

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The class of finitary normal logic programs―identified recently, in [1]―makes it possible to reason effectively with function symbols, recursion, and infinite stable models. These features may lead to a full integration of the standard logic programming paradigm with the answer set programming paradigm. For all finitary programs, ground goals are decidable, while nonground goals are semidecidable. Moreover, the existing engines (that currently accept only much more restricted programs) can be extended to handle finitary programs by replacing their front-ends and keeping their core inference mechanism unchanged. In this paper, the theory of finitary normal programs is extended to disjunctive programs. More precisely, we introduce a suitable generalization of the notion of finitary program and extend all the results of [1] to this class. For this purpose, a consistency result by Fages is extended from normal programs to disjunctive programs. We also correct an error occurring in [1],
机译:最近在[1]中确定的最终普通逻辑程序类别使使用函数符号,递归和无限稳定模型进行有效推理成为可能。这些功能可能导致标准逻辑编程范例与答案集编程范例的完全集成。对于所有最终计划,地面目标都是可以决定的,而非地面目标是可以决定的。而且,现有引擎(目前仅接受更多受限程序)可以通过替换前端并保持其核心推理机制不变来扩展以处理最终程序。在本文中,最终正常程序理论被扩展到析取程序。更准确地说,我们引入了最终程序概念的适当概括,并将[1]的所有结果扩展到此类。为此,将Fages的一致性结果从普通程序扩展到析取程序。我们还纠正了[1]中发生的错误,

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