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Shelah cardinal : ウィキペディア英語版 | Shelah cardinal In axiomatic set theory, Shelah cardinals are a kind of large cardinals. A cardinal is called Shelah iff for every , there exists a transitive class and an elementary embedding with critical point ; and . A Shelah cardinal has a normal ultrafilter containing the set of weakly hyper-Woodin cardinals below it. == References ==
* Ernest Schimmerling, ''Woodin cardinals, Shelah cardinals and the Mitchell-Steel core model'', Proceedings of the American Mathematical Society 130/11, pp. 3385-3391, 2002, (online )
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Shelah cardinal」の詳細全文を読む
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