Re: object algebra
From: Neo <neo55592_at_hotmail.com>
Date: 26 Feb 2004 13:07:06 -0800
Message-ID: <4b45d3ad.0402261307.1315965d_at_posting.google.com>
Date: 26 Feb 2004 13:07:06 -0800
Message-ID: <4b45d3ad.0402261307.1315965d_at_posting.google.com>
> Also now the domain/type EYE_COLOR has tuples "Not Applicable" or
> "Unknown". Doesn't this violate basic set theory?
As Marshall pointed out, Color = {Red, green, blue, "Not Applicable", "Unknown"} is a valid set. I stated incorrectly, however the effect remains similar: weakens realtionship between set and its elements and hinders closure. Received on Thu Feb 26 2004 - 22:07:06 CET