Re: Dee Dum
Date: 17 Aug 2005 10:30:14 -0700
Message-ID: <1124299814.599976.160170_at_g44g2000cwa.googlegroups.com>
Vadim Tropashko wrote:
> VC wrote:
> > "Vadim Tropashko" <vadimtro_invalid_at_yahoo.com> wrote in message
> > news:1124224573.706452.112000_at_z14g2000cwz.googlegroups.com...
> > > vc wrote:
> > >> On the other hand:
> > >>
> > >>
> > >> Vadim Tropashko wrote:
> > >>
> > >> > "10" is defined as a neutral element that satisfies the following
> > >> > identities:
> > >> >
> > >> > 10 join A = A
> > >> > 10 union A = A
> > >> >
> > >>
> > >>
> > >> '10' join A = '10', not A ;)
> > >
> > > So you want to define 01, and 10 the opposite way? Fine for me, since I
> > > have always been confused by the left and right:-)
> >
> > Well, I thought I was using your definition. What relation does '10' refer
> > to ?
>
> Oh, I was not reading carefully:
>
> 10 join A = A
> -----------^^^
> 10 union A = A
> ------------^^^
>
> Sure, it's a typo, the definition is totally symmetric. I thought you
> wanted to exchange 10 and 01.
Sorry, did not understand. Are you saying that
10 join A = A
is a typo. If it's a typo, what is the correct version? If '10 join A = A' is a correct version, what is your definition of 10 as a relation ?
Thanks. Received on Wed Aug 17 2005 - 19:30:14 CEST