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Unraveling Π 11 sets, revisited

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Abstract

We present a method of unraveling Π 11 sets which greatly simplifies the construction in Neeman [6]. Apart from adding elegance, this method is also useful for proofs of determinacy involving long games; see Neeman [5].

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Authors and Affiliations

  1. Department of Mathematics, University of California Los Angeles, 90095-1555, Los Angeles, CA, USA

    Itay Neeman

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  1. Itay Neeman
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Additional information

This material is based upon work supported by the National Science Foundation under Grant No. DMS-0094174.

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Neeman, I. Unraveling Π 11 sets, revisited. Isr. J. Math. 152, 181–203 (2006). https://doi.org/10.1007/BF02771982

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  • DOI: https://doi.org/10.1007/BF02771982

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