Abstract
We first prove the consistency of: there is a universal graph of power א1<2א0 = 2א1=א2. The consistency of the non-existence of a universal graph of power א1 is trivial. Add א2 Cohen generic reals. We then show that we can have 2א0=א2<2א1, and get similar results for other cardinals.
Original language | English |
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Pages (from-to) | 75-87 |
Number of pages | 13 |
Journal | Annals of Pure and Applied Logic |
Volume | 26 |
Issue number | 1 |
DOIs | |
State | Published - Feb 1984 |