On expansions of weakly o-minimal non-valuational structures by convex predicates

@inproceedings{Wencel2008OnEO,
  title={On expansions of weakly o-minimal non-valuational structures by convex predicates},
  author={Roman Wencel},
  year={2008}
}
We prove that if M = (M,≤, +, . . .) is a weakly o-minimal non-valuational structure expanding an ordered group (M,≤, +), then its expansion by a family of ‘non-valuational’ unary predicates remains non-valuational. The paper is based on the author’s earlier work on strong cell decomposition for weakly o-minimal non-valuational expansions of ordered groups. 

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