arXiv:math/0312445 Abstract

arXiv:math/0312445 [math.LO]Abstract References Reviews Resources

How special is your Aronszajn tree?

Published 2003-12-24Version 1

The following is consistent: There is a stationary set S such that every Aronszajn tree is S-*-special and there is an Aronszajn tree T such that for every unbounded E we have T is not E-special. This answers a question of Shelah (Proper and Improper Forcing, IX.4.9(5).

Categories: math.LO

Subjects: 03E35

Keywords: aronszajn tree, stationary set, consistent

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