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Answer to a problem raised by J. Robinson: The arithmetic of positive or negative integers is definable from successor and divisibility

Published online by Cambridge University Press:  12 March 2014

Denis Richard
Denis Richard*
Affiliation:
Département de Mathématiques, Université Claude Bernard—Lyon 1, 69622 Villeurbanne Cédex, France
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Abstract

In this paper we give a positive answer to Julia Robinson's question whether the definability of + and · from S and ∣ that she proved in the case of positive integers is extendible to arbitrary integers (cf. [JR, p. 102]).

Type
Research Article
Information
The Journal of Symbolic Logic , Volume 50 , Issue 4 , December 1985 , pp. 927 - 935
Copyright
Copyright © Association for Symbolic Logic 1985

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References

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