Coanalytic sets that are not Blackwell spaces
Ashok Maitra (1970)
Fundamenta Mathematicae
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Ashok Maitra (1970)
Fundamenta Mathematicae
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Václav Komínek (1999)
Acta Universitatis Carolinae. Mathematica et Physica
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P. Milewski, Roman Pol (2003)
Czechoslovak Mathematical Journal
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The paper is concerned with a recent very interesting theorem obtained by Holický and Zelený. We provide an alternative proof avoiding games used by Holický and Zelený and give some generalizations to the case of set-valued mappings.
H. Sarbadhikari (1977)
Fundamenta Mathematicae
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B. Rao (1970)
Fundamenta Mathematicae
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John Burgess (1980)
Fundamenta Mathematicae
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