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Deciding whether a relation defined inPresburger logic can be defined in weaker logics

Published online by Cambridge University Press:  18 January 2008

Christian Choffrut
Christian Choffrut*
Affiliation:
LIAFA, Université de Paris 7, 2 place Jussieu, 75251 Paris Cedex 05; [email protected]
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Abstract

We consider logics on $\mathbb{Z}$ and $\mathbb{N}$ which are weaker than Presburger arithmetic and we settle the following decision problem: given a k-ary relation on $\mathbb{Z}$ and $\mathbb{N}$ which are first order definable in Presburger arithmetic, are they definable in these weaker logics? These logics, intuitively, are obtained by considering modulo and threshold counting predicates for differences of two variables.

Keywords

Presburger arithmeticfirst order logicdecidability
Type
Research Article
Information
RAIRO - Theoretical Informatics and Applications , Volume 42 , Issue 1: A nonstandard spirit among computer scientists:a tribute to Serge Grigorieff at the occasion of his 60th birthday , January 2008 , pp. 121 - 135
Copyright
© EDP Sciences, 2007

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References

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