Set Theory without choice: not everything on cofinality is possible

by Shelah. [Sh:497]
Archive for Math Logic, 1997
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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