### Measured creatures

by Roslanowski and Shelah. [RoSh:736]

Israel J Math, 2006

Using forcing with measured creatures we build a universe of
set theory in which (a) every sup-measurable function f: R^2
---> R is measurable, and (b) every
function f: R ---> R is continuous on
a non-measurable set.
This answers von Weizs{a}cker's problem (see Fremlin's list of
problems) and a question of Balcerzak, Ciesielski and
Kharazishvili.

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