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Universal and Complete Sets

  • Alexander S. Kechris
Part of the Graduate Texts in Mathematics book series (GTM, volume 156)

Abstract

For any class Γ of sets in Polish spaces and each Polish space Y, let
$${\exists ^Y}\Gamma = \left\{ {pro{j_x}\left( B \right):B \in \Gamma \left( {XxY} \right),X\begin{array}{*{20}{c}} {Polish} \end{array}} \right\}$$
.

Keywords

Polish Space Boolean Combination Ally Equivalent Standard Borel Space Empty Block 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York, Inc. 1995

Authors and Affiliations

  • Alexander S. Kechris
    • 1
  1. 1.Alfred P. Sloan Laboratory of Mathematics and Physics Mathematics 253-37California Institute of TechnologyPasadenaUSA

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