Presburger arithmetic with unary predicates is Π11 complete

Journal of Symbolic Logic 56 (2):637 - 642 (1991)
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Abstract

We give a simple proof characterizing the complexity of Presburger arithmetic augmented with additional predicates. We show that Presburger arithmetic with additional predicates is Π 1 1 complete. Adding one unary predicate is enough to get Π 1 1 hardness, while adding more predicates (of any arity) does not make the complexity any worse

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Joseph Y. Halpern
Cornell University

References found in this work

Theory of Recursive Functions and Effective Computability.Hartley Rogers - 1971 - Journal of Symbolic Logic 36 (1):141-146.

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