Assaf HassonAlf Onshuus2026-03-222026-03-22201010.1007/s00029-010-0018-yhttps://doi.org/10.1007/s00029-010-0018-yhttps://andeanlibrary.org/handle/123456789/54614Citaciones: 3enTrichotomy (philosophy)MathematicsCombinatoricsUnstable structures definable in o-minimal theoriesarticle