Re: circular relationships ok?
From: vc <boston103_at_hotmail.com>
Date: 3 Mar 2006 06:54:55 -0800
Message-ID: <1141397694.943802.23190_at_t39g2000cwt.googlegroups.com>
> if a and b are values
> for A and B respectively in a tuple of R, a implies b and b implies a,
> therefore, a iff b.
Date: 3 Mar 2006 06:54:55 -0800
Message-ID: <1141397694.943802.23190_at_t39g2000cwt.googlegroups.com>
Brian Selzer wrote:
>[...]
> if a and b are values
> for A and B respectively in a tuple of R, a implies b and b implies a,
> therefore, a iff b.
Neither does that:
[...]
>...for any set of values, a, b and c for A, B, and C respectively,
>
> a implies b, b implies c and c implies a.
>
[...] Received on Fri Mar 03 2006 - 15:54:55 CET