Tag Archives: Absoluteness

Mathematics Colloquium, Bar-Ilan University, November 2013

I gave a colloquium talk at Bar-Ilan University on November 10, 2013. Title: Forcing as a tool to prove theorems Abstract: Paul Cohen celebrated solution to Hilbert’s first problem showed that the Continuum Hypothesis is independent of the usual axioms of … Continue reading

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A large cardinal in the constructible universe

In this post, we shall provide a proof of Silver’s theorem that the Erdos caridnal κ(ω) relativizes to Godel’s constructible universe. First, recall some definitions. Given a function f:[κ]<ωμ, we say that Iκ is a set of indiscernibles for … Continue reading

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