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The existence of countable totally nonconstructive extensions of the countable atomless Boolean algebra
Published online by Cambridge University Press: 12 March 2014
Abstract
Our results concern the existence of a countable extension of the countable atomless Boolean algebra
such that
is a “nonconstructive” extension of
. It is known that for any fixed admissible indexing φ of
there is a countable nonconstructive extension
of
(relative to φ). The main theorem here shows that there exists an extension
of
such that for any admissible indexing φ of
,
is nonconstructive (relative to φ).Thus, in this sense
a countable totally nonconstructive extension of
.
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- Research Article
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- Copyright © Association for Symbolic Logic 1983
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