On Sun, 2016-08-21 at 16:56 -0400, Dianne Skoll wrote: > On Sun, 21 Aug 2016 21:22:38 +0200 > Damian <spamassas...@arcsin.de> wrote: > > > > > > > > > So we define set B as everything in the universe that is not in > > > set > > > A. So set B is an infinite set, everything in the universe EXCEPT > > > apples and oranges. > > > > There is no such set B, as it would contain itself. > And... why can't a set contain itself? > Because recursive sets are off topic.
At least, I assume that if Marc had meant to include recursion he would have said so. Martin
