Ultrafilters in reverse mathematics
Ultrafilters in reverse mathematics
复制标题
逆向数学中的超滤器
DOI:
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发表时间:
2011
影响因子:
0.9
通讯作者:
H. Towsner
中科院分区:
文献类型:
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作者:
H. Towsner
We extend theories of reverse mathematics by a non-principal ultrafilter, and show that these are conservative extensions of the usual theories ACA0, ATR0, and ${f{Pi^1_1{-}{
m CA}_0}}$.