carel
Posts:
161
Registered:
12/12/04


Re: 1 x 1 ?
Posted:
Sep 19, 1999 12:01 AM


John Savard wrote in message <37e3ccff.1687863@news.prosurfr.com>... >"Guillermo Phillips" <Guillermo.Phillips@marsman.demon.co.uk> wrote, >in part: > >>Here's something I've always wondered (perhaps in my naivety). Why >>should 1 x 1 = 1? >>I appreciate that lots of nice things come from this, but what's the >>fundamental reason for it? > >Well, negative numbers are kind of strange, almost like imaginary >numbers. You have an empty box, and you can leave it empty, or you can >put one pebble in it, or you can put two pebbles in it, and so on. > >But negative numbers can make sense for things like temperature and >bank accounts. > >If you owe five dollars, that can be considered a way of having 5 >dollars. > >If you owe three people five dollars, you have 3 * 5 dollars, or 15 >dollars. > >If three people owe you five dollars, then you have an asset that is >(hopefully, if they're honest) worth 15 dollars. So that's 3 * 5, >the minus on the 3 standing for the fact that the debt is "the other >way around". > >John Savard ( teneerf< ) >http://www.ecn.ab.ca/~jsavard/crypto.htm
Or how about the following
1 x 0 = 0
1 x (11) = 0
(1 x 1) + (1 x 1 ) = 0
1 + (1 x 1) = 0
1 + 1 + (1 x 1) = 1
0 + (1 x 1 ) = 1
1 x 1 = 1
Carel

