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The Jump Inversion Theorem for Q2n+1-Degrees

Ilias G. Kastanas
Proceedings of the American Mathematical Society
Vol. 90, No. 3 (Mar., 1984), pp. 422-424
DOI: 10.2307/2044486
Stable URL: http://www.jstor.org/stable/2044486
Page Count: 3
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
The Jump Inversion Theorem for Q2n+1-Degrees
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Abstract

Assuming projective determinacy we extend Friedberg's Jump Inversion theorem to Q2n + 1-degrees, after noticing that it fails for Δ1 2n + 1-degrees.

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