Was sierpinski right? I
Was sierpinski right? I
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谢尔宾斯基是对的吗?
DOI:
10.1007/bf02783304
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发表时间:
1988
影响因子:
1
通讯作者:
S. Shelah
中科院分区:
文献类型:
--
作者:
S. Shelah
AbstractAroused by Todorcevic’s breakthrough we prove here some complementary consistency results, mainly
$$2^{\aleph _0 } \to \left[ {\aleph _1 } \right]_3^2 $$
. We also get some generalization of his theorem to, e.g.,λ↛
$$\left[ \lambda \right]_{\aleph _0 }^2 $$
forλ regular notω-Mahlo.