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2006

Modified bar recursion

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Modified bar recursion
Modified bar recursion has been used to give a realizability interpretation of the classical axioms of countable and dependent choice. In this paper we survey the main results concerning this scheme of bar recursion and its relations to well-known functionals. In particular we show that Spector's bar recursion can be defined primitive recursively via the scheme of modified bar recursion, but not the other way around. Key words: 1991 MSC:
Ulrich Berger, Paulo Oliva
Added 14 Dec 2010
Updated 14 Dec 2010
Type Journal
Year 2006
Where MSCS
Authors Ulrich Berger, Paulo Oliva
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