Corpus ID: 119143473

The distributivity numbers of of P(om) /fin and its square

@article{Shelah1996TheDN,
  title={The distributivity numbers of of P(om) /fin and its square},
  author={S. Shelah and O. Spinas},
  journal={arXiv: Logic},
  year={1996}
}
We show that in a model obtained by forcing with a countable support iteration of Mathias forcing of length !2, the distributivity number of P(!)/fln is !2, whereas the distributivity number of r.o.(P(!)/fln) 2 is !1. This answers an old problem of Balcar, Pelant and Simon, and others. 
3 Citations
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References

SHOWING 1-3 OF 3 REFERENCES
Ramsey Ultrafilters and the Reaping Number - Con(r
  • 30
Large cardinals and projective sets
  • 5