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Session 32. Set Theory |
Various versions of the semifilter trichotomy |
| Heike Mildenberger, Universität Freiburg, Germany |
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The semifilter trichotomy says that every upwards closed subset of
\([\omega]^\omega\) is either meagre or comeagre or ultra by finite-to-one.
I will discuss various models of the semifilter trichotomy.
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