Re: Is {{}} a valid construct?
From: Marshall <marshall.spight_at_gmail.com>
Date: 5 Feb 2007 23:03:40 -0800
Message-ID: <1170745420.537202.62680_at_s48g2000cws.googlegroups.com>
Date: 5 Feb 2007 23:03:40 -0800
Message-ID: <1170745420.537202.62680_at_s48g2000cws.googlegroups.com>
On Feb 5, 9:02 pm, "Neo" <neo55..._at_hotmail.com> wrote:
>
> With invalid elements ( {} ), flip a coin as to which is correct for
> the last one.
Nope.
A necessary precondition for getting unconfused is figuring out the difference between the empty set and the set containing the empty set.
Marshall Received on Tue Feb 06 2007 - 08:03:40 CET