Deciding Definability in FO2(<) (or XPath) on Trees

Thomas Place, L. Segoufin
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引用次数: 10

Abstract

We prove that it is decidable whether a regular unranked tree language is definable in FO2(
决定树的FO2(<)(或XPath)中的可定义性
证明了正则无秩树语言在FO2(
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