Re: atomic

From: paul c <>
Date: Mon, 05 Nov 2007 17:01:22 GMT
Message-ID: <C%HXi.178826$1y4.124280_at_pd7urf2no>

paul c wrote:

> if those make sense, by the D&D definition of "cartesian product", I
> think r1 |x| r2 would be empty and I presume so would I(r1 |x| r2).

Sorry, let me take that back, I think I should have said intersection, not cartesian product. Received on Mon Nov 05 2007 - 18:01:22 CET

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