Abstract
Answering a question of Sierpinski, we prove that the real line is not necessarily the disjoint union of {btא} 1 non-empty G σ sets.
Original language | English |
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Pages (from-to) | 299-304 |
Number of pages | 6 |
Journal | Israel Journal of Mathematics |
Volume | 32 |
Issue number | 4 |
DOIs | |
State | Published - Dec 1979 |