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From: "Neo" <neo55592@hotmail.com>
Newsgroups: comp.databases.theory
Subject: Re: Generalised approach to storing address details
Date: 12 Dec 2006 10:27:01 -0800
Organization: http://groups.google.com
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> Parent(x,y)

The above violates the implied intent of the Information Principle. It
is implicitly encoding information that is not explicitly expressed by
relations' tuples' attributes' values. It also violates POOD, according
to Bob Badour. For more details, see earlier response to your "Because
we know he won't read it of course."