Abstract
S. C. Kleene developed the theory of recursive functionals of finite types in Kleene [5]. He proved that a set A of natural numbers is recursive in E if and only if A is hyperarithmetical, where E is the type 2 object defined by
Publisher
Cambridge University Press (CUP)
Cited by
1 articles.
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1. Countable -admissible Ordinals;Nagoya Mathematical Journal;1985-09