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Covering at limit cardinals of K
Journal of Mathematical Logic ( IF 0.9 ) Pub Date : 2023-03-16 , DOI: 10.1142/s0219061323500046
William J. Mitchell 1 , Ernest Schimmerling 2
Affiliation  

Assume that there is no transitive class model of ZFC with a Woodin cardinal. Let ν be a singular ordinal such that ν>ω2 and cf(ν)<|ν|. Suppose ν is a regular cardinal in K. Then ν is a measurable cardinal in K. Moreover, if cf(ν)>ω, then oK(ν)cf(ν).



中文翻译:

覆盖 K 的极限基数

假设不存在传递类模型ZFC与伍丁红衣主教。让ν是一个单数序数,使得ν>ω2比照ν<|ν|。认为ν是K中的常规基数。然后ν是K中的可测基数。此外,如果比照ν>ω, 然后Kν比照ν

更新日期:2023-03-16
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