Abstract
We prove that if CH holds (or even if 2א 0 < 2א 1), then a weak version of {lozenge, open} holds. This weak version of {lozenge, open} is a {lozenge, open}-like principle, and is strong enough to yield some of the known consequences of {lozenge, open}.
Original language | English |
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Pages (from-to) | 239-247 |
Number of pages | 9 |
Journal | Israel Journal of Mathematics |
Volume | 29 |
Issue number | 2-3 |
DOIs | |
State | Published - Jun 1978 |