Some axiomatic theories of truth and related subsystems of second-order arithmetic are surveyed and shown to be conservative over their respective base theory. In particular, it is shown by purely finitistically means that the theory PA + "there is a satisfaction class" and the theory FS| of [2] are conservative over PA. © 1999 Kluwer Academic Publishers.
CITATION STYLE
Halbach, V. (1999). Conservative theories of classical truth. Studia Logica, 62(3), 353–370. https://doi.org/10.1023/A:1005148426909
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