Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!bionet!agate!ucbvax!UOTTAWA.BITNET!451061
From: 451061@UOTTAWA.BITNET (Valentin Pepelea)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Clicking on Irregular Shapes
Message-ID: <8906292011.AA29874@jade.berkeley.edu>
Date: 29 Jun 89 19:58:56 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Lines: 16

In article <18678@louie.udel.EDU> new@udel.EDU (Darren New) writes:

> Really?  The four-color proof for flat surfaces is trivial?
> That's certainly news to me!

Oh yes, the four-color proof is surprisingly simple. The only problem is that
you need to run a Cray for 3 months to test out all the combinations/exceptions
possible.

Valentin
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