00-20   Berichtsreihe des Mathematischen Seminars der Universität Kiel

Otmar Spinas:

Canonical behaviour of Borel functions on superperfect rectangles

We describe a list of canonical functions from $(\fun)^2$ to $\RR$ such that every Borel measurable function from $(\fun)^2$ to $\RR$, on some superperfect rectangle, induces the same equivalence relation as some canonical function.

Mathematics Subject Classification (1991): 03E15, 26B99

Bibliographical note: Journal of Mathematical Logic 1 (2001), no. 2, pp. 173-220

Keywords: Polish space, Baire space, Borel function, superperfect set, canonization, Miller forcing


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