Re: Requirements for update languages?
From: Lauri Pietarinen <lauri.pietarinen_at_atbusiness.com>
Date: Thu, 14 Nov 2002 14:11:06 +0200
Message-ID: <3DD392DA.4201DC6C_at_atbusiness.com>
Date: Thu, 14 Nov 2002 14:11:06 +0200
Message-ID: <3DD392DA.4201DC6C_at_atbusiness.com>
> >
> > B1 x B2 = { ( x, n+m ) | (x, n) in B1, (x, m) in B2 }
>
> Ahem, that should of course be n.m, i.e., n times m, and not n+m. :-(
Yes, it did look a bit strange...
But just to clarify things, n and m are cardinalities, right?
B1 = {(0,2 )} and B2 = {(1,1),(2,1)}
if applied to the original example?
But these are sets? So what do they have to do with bags?
regards,
Lauri Pietarinen
Received on Thu Nov 14 2002 - 13:11:06 CET