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11

From: Mikito Harakiri <mikharakiri_nospaum_at_yahoo.com>
Date: 23 Aug 2005 17:06:38 -0700
Message-ID: <1124841998.321723.164630@g14g2000cwa.googlegroups.com>


Here are two missing elements: 11, and relation complement ^A.

Axioms:
A join ^A = 00 join A
A union ^A = 11 union A

00 join 11 = 10
00 union 11 = 01

Needless to say that ^A is a basis for clean definition of minus operator. Received on Tue Aug 23 2005 - 19:06:38 CDT

Original text of this message

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