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On countably closed complete Boolean algebras

Published online by Cambridge University Press:  12 March 2014

Thomas Jech  and
Saharon Shelah
Thomas Jech
Affiliation:
Department of Mathematics, The Pennsylvania State University, University Park, PA 16803, USA, E-mail: jech@math.psu.edu
Saharon Shelah
Affiliation:
School of Mathematics, The Hebrew University, Jerusalem, Israel Department of Mathematics, Rutgers University, New Brunswick, NJ 08903, USA, E-mail: shelah@sunrise.huji.ac.ilshelah@math.rutgers.edu
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Abstract

It is unprovable that every complete subalgebra of a countably closed complete Boolean algebra is countably closed.

Keywords

Boolean algebracountably closedgame-closedforcing
Type
Research Article
Information
The Journal of Symbolic Logic , Volume 61 , Issue 4 , December 1996 , pp. 1380 - 1386
Copyright
Copyright © Association for Symbolic Logic 1996

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References

REFERENCES

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