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A Δ02 theory of regressive isols
Published online by Cambridge University Press: 12 March 2014
Abstract
We examine the action of unary functions on the regressive isols. A manageable theory is produced and we find that such a function maps ⋀R into ⋀ if and only if it is eventually R↑ increasing and maps ⋀R into ⋀R if and only if it is eventually recursive increasing. Our paper concludes with a discussion of other methods for extending functions to ⋀R.
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- Research Article
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- Copyright © Association for Symbolic Logic 1974