On Σ1-Structural Differences Among Finite Levels of the Ershov Hierarchy

Publisher: Cambridge University Press

E-ISSN: 1943-5886|71|4|1223-1236

ISSN: 0022-4812

Source: The Journal of Symbolic Logic, Vol.71, Iss.4, 2006-12, pp. : 1223-1236

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Abstract