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arxiv: 1704.03050 · v2 · pith:GD7NNJ6Anew · submitted 2017-04-10 · 🧮 math.LO · math.NT

On O-Minimal Expansions of (mathbb{Q},<,+,0)

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keywords mathbbo-minimaladditiondefinableelementaryequivalenteventuallyevery
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Let $f:\mathbb{Q}\to \mathbb{Q}$ be a function definable in an o-minimal expansion of $(\mathbb{Q},<,+,0)$. We show that $f$ is eventually linear. In addition, we show that this holds in every elementary equivalent structure.

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