Geodesic
The strength of Turing determinacy within second order arithmetic
Antonio Montalbán1 ; Richard A. Shore2
1 Department of Mathematics University of California, Berkeley Berkeley, CA 94720, U.S.A.
2 Department of Mathematics Cornell University Ithaca, NY 14853, U.S.A.
Fundamenta Mathematicae, Tome 232 (2016) no. 3, pp. 249-268 Cet article a éte moissonné depuis la source Institute of Mathematics Polish Academy of Sciences

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We investigate the reverse mathematical strength of Turing determinacy up to $\Sigma _{5}^{0}$, which is itself not provable in second order arithmetic.
DOI : 10.4064/fm27-12-2015
Keywords: investigate reverse mathematical strength turing determinacy sigma which itself provable second order arithmetic

Antonio Montalbán 1 ; Richard A. Shore 2

1 Department of Mathematics University of California, Berkeley Berkeley, CA 94720, U.S.A.
2 Department of Mathematics Cornell University Ithaca, NY 14853, U.S.A. 
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Antonio Montalbán; Richard A. Shore. The strength of Turing determinacy within second order arithmetic. Fundamenta Mathematicae, Tome 232 (2016) no. 3, pp. 249-268. doi: 10.4064/fm27-12-2015

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