The tree property and the failure of the Singular Cardinal Hypothesis at ℵω2

The tree property and the failure of the Singular Cardinal Hypothesis at ℵω2
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ℵω2 处的树性质和奇异基数假设的失败

DOI:
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发表时间:
2012
期刊:
Journal of Symbolic Logic (JSL)
影响因子:
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通讯作者:
Dima Sinapova
Dima Sinapova
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文献类型:
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作者:
Dima Sinapova

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我们证明了给定ω多个超紧基数,存在一个一般扩张,其中树的性质在ℵω2+1成立,而SCH在ℵω2失效。
Abstract We show that given ω many supercompact cardinals, there is a generic extension in which the tree property holds at ℵω2+ 1 and the SCH fails at ℵω2.