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arXiv:math/9606227 [math.LO]AbstractReferencesReviewsResources

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

Saharon Shelah, Otmar Spinas

Published 1996-06-15Version 1

We show that in a model obtained by forcing with a countable support iteration of length omega_2 of Mathias forcing h(2), the distributivity number of r.o.(P(omega)/fin)^2, is omega_1 but h, the one of P(omega)/fin, is omega_2.

Categories: math.LO
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