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Extenders, embedding normal forms, and the Martin-Steel-theorem

Published online by Cambridge University Press:  12 March 2014

Peter Koepke*
Affiliation:
Mathematisches Institut, Beringstrasse 4, D-53115 Bonn, Germany E-mail: koepke@math.uni-bonn.de

Abstract

We propose a simple notion of “extender” for coding large elementary embeddings of models of set theory. As an application we present a self-contained proof of the theorem by D. Martin and J. Steel that infinitely many Woodin cardinals imply the determinacy of every projective set.

Type
Research Article
Copyright
Copyright © Association for Symbolic Logic 1998

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References

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