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From: dick@ucsfcca.UUCP (Dick Karpinski)
Newsgroups: net.math.symbolic
Subject: Laws of Form (G. Spencer-Brown)
Message-ID: <418@ucsfcca.UUCP>
Date: Mon, 28-Oct-85 20:58:11 EST
Article-I.D.: ucsfcca.418
Posted: Mon Oct 28 20:58:11 1985
Date-Received: Fri, 1-Nov-85 00:18:15 EST
Distribution: net
Organization: UCSF Computer Center
Lines: 15

Is anyone besides William Bricken doing any computer work with
the Laws of Form by G. Spencer-Brown.  This book is not too hard
to follow, but understanding what you have got is another matter
entirely.  This is the arithmetic of indications said to underlie
(and extend) things like Boolean algebra.  It claims to rehabilitate
(or perhaps, just to habilitate) a notion of imaginary truth values
analogous to imaginary numbers.  Any info/hints/flames welcome.

Dick

-- 
Dick Karpinski    Manager of Unix Services, UCSF Computer Center
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