SEARCHING FOR AN ANALOGUE OF ATR0 IN THE WEIHRAUCH LATTICE

SEARCHING FOR AN ANALOGUE OF ATR0 IN THE WEIHRAUCH LATTICE
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在 WEIHRAUCH 晶格中寻找 ATR0 的类似物

DOI:
10.1017/jsl.2020.12
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发表时间:
2018
期刊:
The Journal of Symbolic Logic
影响因子:
--
通讯作者:
A. Pauly
A. Pauly
中科院分区:
--
文献类型:
--
作者:
Takayuki Kihara;Alberto Marcone;A. Pauly

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Abstract There are close similarities between the Weihrauch lattice and the zoo of axiom systems in reverse mathematics. Following these similarities has often allowed researchers to translate results from one setting to the other. However, amongst the big five axiom systems from reverse mathematics, so far $\mathrm {ATR}_0$ has no identified counterpart in the Weihrauch degrees. We explore and evaluate several candidates, and conclude that the situation is complicated.
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