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Preprint Number 116
116. Roman Wencel
On expansions of weakly o-minimal non-valuational structures by convex predicates
Submission date: 30 January 2008. Revised on 8 July 2008.
I prove that if M is a wakly o-minimal non-valuational expansion of an ordered group, then an expansion of M by a family of non-valuational predicates (i.e. determining only non-valuational Dedekind cuts) is also of non-valuational type.
Mathematics Subject Classification: 03C64
Keywords and phrases: weakly o-minimal structure, non-valuational, convex predicate, expansion
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