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Set-theoretical operations and recursive hierarchies.by V. I. Amstislavskij;Expansion of recursive hierarchies and r-operations.by V. I. Amstislavski;On the decomposition of a field of sets obtained by an r-operation over Recursive sets.by V. I. Amstislavskij;Effective R-sets and transfinite extensions of recursive hierarchies.by V. I. Amstislavskij
Review by: Peter G. HinmanVolume:
37
Language:
english
Journal:
The Journal of Symbolic Logic
DOI:
10.2307/2273003
Date:
June, 1972
File:
PDF, 209 KB
english, 1972