Date: Mon, 11 Jul 2005 17:21:57 +0100
>>OK. but domains can be thought of as simply sets. So then the
>>"collection of all domains" is like the "set of all sets" which, by
>>Cantor's Paradox, isn't actually a well-defined set.
> In "naive" set theory, yes, in ZF, no. There is no problem with
> defining a "set of all domains" provided that the set satisfies ZF
So couldn't our "set of all domains" be a valid domain itself? And thus a member of itself?
Paul. Received on Mon Jul 11 2005 - 18:21:57 CEST