Generalized projections of Borel and analytic sets

Volume 71 / 1996

Marek Balcerzak Colloquium Mathematicum 71 (1996), 47-53 DOI: 10.4064/cm-71-1-47-53


For a σ-ideal I of sets in a Polish space X and for A ⊆ $X^2$, we consider the generalized projection


  • Marek Balcerzak

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