[FOM] Plea for literature on recursion theory in V_\omega
Francois G. Dorais
dorais at math.cornell.edu
Wed Apr 30 17:21:29 EDT 2008
Vaughan Pratt wrote:
> What notations exist for the hereditarily countable sets? I don't see
> an obvious extension of the above.
>
> Vaughan Pratt
See Gerald Sacks' "Higher Recursion Theory" where, in particular, he
develops a notation system for L_{\omega_1^{CK}}.
Another useful reference for the original poster would be Jon Barwise's
"Admissible Sets and Structures".
--
François G. Dorais
Department of Mathematics
Cornell University
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