Re: modeling disjoint subsets

From: <amado.alves_at_netcabo.pt>
Date: 19 Nov 2005 18:31:17 -0800
Message-ID: <1132453877.294526.26920_at_g14g2000cwa.googlegroups.com>

A relation Set (Subset, Element) with the constraint that Element be distinct. Received on Sun Nov 20 2005 - 03:31:17 CET

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