Set theory without choice: not everything on cofinality is possible

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We prove (ZF+DC) e.g. : if mu =|H(mu)| then mu^+ is regular non measurable. This is in contrast with the results for mu = aleph_{omega} on measurability see Apter Magidor [ApMg]

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Logic

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http://salesiana.dossiersoluciones.com/handle/123456789/153016

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9512227
 http://arxiv.org/abs/math/9512227
 Arch. Math. Logic 36 (1997), 81-125

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arXiv