I[omega_2] can be the nonstationary ideal on Cof(omega_1)

dc.creatorMitchell, William J.
dc.date2004-07-13
dc.date2007-04-30
dc.date.accessioned2026-07-07T07:58:36Z
dc.date.available2026-07-07T07:58:36Z
dc.descriptionWe answer a question of Shelah by showing that it is consistent that every set of ordinals of cofinality omega_1 in I[omega_2] is nonstationary if and only if it is consistent that that there is a kappa^+ Mahlo cardinal kappa.
dc.descriptionversion 4 of the paper has been extensively revised in response to the referee report from TAMS. I expect it to appear in TAMS
dc.identifierhttps://arxiv.org/abs/math/0407225
dc.identifierhttp://arxiv.org/abs/math/0407225
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/128067
dc.subjectLogic
dc.subject03E35
dc.titleI[omega_2] can be the nonstationary ideal on Cof(omega_1)
dc.typetext

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