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Preprint Number 2210
2210. Masato Fujita Tame extension of almost o-minimal structure E-mail: Submission date: 7 July 2022 Abstract: We consider an almost o-minimal expansion of an ordered group M=(M,<,+,0,...) and its tame extension N=(N,<,+,0,...). We demonstrate that the subset {x in M^n | N ⊧ Φ(x,a) } of M^n defined by a formula Φ(x,y) with M-bounded parameters a in N is M-definable. We also introduce its corollaries. Mathematics Subject Classification: 03C64 Keywords and phrases: |
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