Re: Clean Object Class Design -- Circle/Ellipse
From: Bob Badour <bbadour_at_golden.net>
Date: Sun, 22 Jul 2001 00:42:02 -0400
Message-ID: <NYs67.43$6T.11187229_at_radon.golden.net>
Date: Sun, 22 Jul 2001 00:42:02 -0400
Message-ID: <NYs67.43$6T.11187229_at_radon.golden.net>
>My original point was to show Date's mistake
>of confusing sets and types.
He does not do that. In his work, he very explicitly points out that relations are sets and not types. Domains are types, which consist of a set of values and a set of operators on those values. Received on Sun Jul 22 2001 - 06:42:02 CEST