Using Ramsey's theorem once
Using Ramsey's theorem once
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DOI:
10.1007/s00153-019-00664-z
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发表时间:
2019-11-01
影响因子:
0.3
通讯作者:
Mummert, Carl
中科院分区:
文献类型:
--
作者:
Hirst, Jeffry L.;Mummert, Carl
We show that RT(2,4) to higher types, but that this does not remain true when the law of the excluded middle is added. The argument uses Kohlenbach's axiomatization of higher order reverse mathematics, results related to modified reducibility, and a formalization of Weihrauch reducibility.