Mathematical Research Letters

Volume 18 (2011)

Number 3

Pinned equivalence relations

Pages: 559 – 564

DOI: http://dx.doi.org/10.4310/MRL.2011.v18.n3.a15

Author

Jindřich Zapletal

Abstract

Answering a question of Kechris, I show that the equality of countable sets of reals is not the smallest unpinned equivalence relation.

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