On Wed, Mar 26, 2008 at 11:24 AM, TSa <[EMAIL PROTECTED]> wrote:
>  I agree. But let me explain how I arrive at that. To me there is no
>  binary minus!

I must agree with that one.  In chalkboard mathematics, - is a unary
negation operator, and its use as a binary op in "x - y" is just
shorthand for "x + -y".

-- 
Mark J. Reed <[EMAIL PROTECTED]>

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