Franklin Tall: PFA(S)[S] and countably compact spaces, continued

Place: Fields Institute (Room 210)

Date: September 4th, 2015 (13:30-15:00)

Speaker: Franklin Tall

Title: PFA(S)[S] and countably compact spaces, continued

Abstract:

We continue with Alan Dow’s proof that PFA(S)[S] implies every first countable perfect pre-image of $\omega_1$ includes a copy of $\omega_1$.

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