Re: brief question

poopdeville_at_gmail.com
Date: 12/12/04


Date: 11 Dec 2004 18:14:41 -0800

I can't think of an argument off the top of my head, but Kuratowski's
Topologie has about a million different arguments about definable sets.
Maybe one of those can give you the necessary insight.

'cid 'ooh