Electronic Resource
Springer
Archive for mathematical logic
39 (2000), S. 541-568
ISSN:
1432-0665
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract. Given a stationary subset T of $\omega_{1}$ , let $\tilde{T}$ be the set of ordinals in the interval $(\omega_{1}, \omega_{2})$ which are necessarily in the image of T by any embedding derived from the nonstationary ideal. We consider the question of the size of $\tilde{T}$ , givenT, and use Martin's Maximum and $\mathbb{P}_{max}$ to give some answers.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s001530050164
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