Abstract
We consider certain predicative classes with respect to their bearing on set theory, namely on its semantics, and on its “ontological power”. On the one hand, our predicative classes will turn out to be perfectly suited for establishing a nice hierarchy of metalanguages starting from the usual set theoretical language. On the other hand, these classes will be seen to be fairly inappropriate for the formulation of strong principles of infinity. The motivation for considering this very type of classes is a reasonable philosophy of set theory. Familiarity is assumed only with basic concepts of both set theory and its philosophy.
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Schindler, RD. Prädikative klassen. Erkenntnis 39, 209–241 (1993). https://doi.org/10.1007/BF01128229
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DOI: https://doi.org/10.1007/BF01128229