Default Theories Over Monadic Languages
Author(s) -
Michael Kaminski,
Julia Mosin
Publication year - 2005
Publication title -
electronic notes in theoretical computer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.242
H-Index - 60
ISSN - 1571-0661
DOI - 10.1016/j.entcs.2004.04.045
Subject(s) - decidability , cardinality (data modeling) , closure (psychology) , domain (mathematical analysis) , mathematics , computer science , variable (mathematics) , discrete mathematics , mathematical analysis , economics , market economy , data mining
In this paper we compare the semantical and syntactical definitions of extensions for open default theories. We prove that, over monadic languages, these definitions are equivalent and do not depend on the cardinality of the underlying infinite world. We also show that, under the domain closure assumption, one free variable open default theories are decidable
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