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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@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 - 06:11:06 CST

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