If it looks and smells like the reals ...

被引:0
|
作者
Tall, FD [1 ]
机构
[1] Univ Toronto, Dept Math, Toronto, ON M5S 3G3, Canada
关键词
elementary submodel; real line; locally compact separable metric space;
D O I
暂无
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Given a topological space [X,T] is an element of M, an elementary submodel of set theory, we define X-M to be X boolean AND M with topology generated by {U boolean AND M : U is an element of T boolean AND M}. We prove that if X-M is homeomorphic to R, then X = X-M. The same holds for arbitrary locally compact uncountable separable metric spaces, but is independent of ZFC if "local compactness" is omitted.
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页码:1 / 11
页数:11
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