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On category projections of Cartesian product A\(\times A\) - MaRDI portal

On category projections of Cartesian product A\(\times A\)

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Publication:1090789

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zbMath0622.28002MaRDI QIDQ1090789

Tomasz Natkaniec

Publication date: 1985

Published in: Real Analysis Exchange (Search for Journal in Brave)

zbMATH Keywords

Martin's axiom category projection second category set

Mathematics Subject Classification ID

Descriptive set theory (03E15) Classes of sets (Borel fields, (sigma)-rings, etc.), measurable sets, Suslin sets, analytic sets (28A05) Measures and integrals in product spaces (28A35)

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