A Note on the Hyperarithmetical Hierarchy
Enderton, H. B. ; Putnam, Hilary
J. Symbolic Logic, Tome 35 (1970) no. 1, p. 429-430 / Harvested from Project Euclid
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Publié le : 1970-09-14
Classification:  
@article{1183737266,
     author = {Enderton, H. B. and Putnam, Hilary},
     title = {A Note on the Hyperarithmetical Hierarchy},
     journal = {J. Symbolic Logic},
     volume = {35},
     number = {1},
     year = {1970},
     pages = { 429-430},
     language = {en},
     url = {http://dml.mathdoc.fr/item/1183737266}
}

Enderton, H. B.; Putnam, Hilary. A Note on the Hyperarithmetical Hierarchy. J. Symbolic Logic, Tome 35 (1970) no. 1, pp.  429-430. http://gdmltest.u-ga.fr/item/1183737266/