A result of relative consistency about the predicate WO(δ, x)

Publisher: Cambridge University Press

E-ISSN: 1943-5886|45|3|483-492

ISSN: 0022-4812

Source: The Journal of Symbolic Logic, Vol.45, Iss.3, 1980-09, pp. : 483-492

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Abstract

In [K] Keisler introduces a set theoretical relation WO(δ, x), where δ is an ordinal. This relation is characterized in ZF set theory by the following properties: