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The tree property at ℵω+2

Published online by Cambridge University Press:  12 March 2014

Sy-David Friedman and
Ajdin Halilović
Sy-David Friedman
Affiliation:
Kurt Gödel Research Center, Währinger Straβe 25, 1090 Vienna, Austria, E-mail: sdf@logic.univie.ac.at
Ajdin Halilović
Affiliation:
Kurt Gödel Research Center, Währinger Straβe 25, 1090 Vienna, Austria, E-mail: ajdin.halilovic@univie.ac.at
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Abstract

Assuming the existence of a weakly compact hypermeasurable cardinal we prove that in some forcing extension ℵω is a strong limit cardinal and ℵω+2 has the tree property. This improves a result of Matthew Foreman (see [2]).

Information

Type
Research Article
Information
The Journal of Symbolic Logic , Volume 76 , Issue 2 , June 2011, pp. 477 - 490
Copyright
Copyright © Association for Symbolic Logic 2011

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References

REFERENCES

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