On 15 Mrz., 20:17, fom <fomJ...@nyms.net> wrote: > On 3/15/2013 3:20 AM, WM wrote: > > > On 14 Mrz., 23:54, fom <fomJ...@nyms.net> wrote: > > >> Unless my translation is in error, Zermelo's > >> 1908 supports urelements. > > > Zermelo says (in your translation on p. 210, 3rd line): If T is a set > > whose elements M, N, R, ... all are sets different from the null > > set, ... > > That is Zermelo's description of the > axiom of choice.
T is the domain, the set which Zermelo uses to demonstrate his intention of the axiom of choice.
> It is not the description of his domain. > > I gave the relevant passages