matthew@cs.uq.oz.au (Matthew McDonald) (05/07/91)
In article <1991May3.164134.1@happy.colorado.edu> kmsahr@happy.colorado.edu writes: >I'm looking for any references or sources of information on G. Spencer >Brown's <Laws of Form>. Specifically, I'm interested in the application Sorry, this is probably another dumb question but.... I read in an article (by Dick Pountain) that G.S.Brown came up with a *short* proof of the Four Colour Map theorem. Since the article was a bit flaky in places I doubt it, but does anybody know for sure or where Mr Pountain got the rumour from?? Regards, Matthew.
orourke@fermat.cs.jhu.edu (Joseph O'Rourke) (05/07/91)
In article <1991May3.164134.1@happy.colorado.edu> kmsahr@happy.colorado.edu writes: >I'm looking for any references or sources of information on G. Spencer >Brown's <Laws of Form>. Louis Kauffman devotes a section to Laws of Form in his book "On Knots."