On Feb 20, 8:00 am, mimus <mimu...@gmail.com> wrote: > In 1969, George Spencer Brown (abbreviated among the cognoscenti as > ?GSB?) published _ Laws of Form _ (abbreviated among the cognoscenti > as ?LoF?), the classic and exhaustive study of the simplest possible > analysis, involving two indexes or indices and transition between > those indices, providing an elegant and powerful calculus for such > analysis; extending it to the corresponding binary arithmetic and > algebra; treating questions both fundamental and advanced about such > analysis, calculus, arithmetic and algebra; and applying that algebra > in Appendix 2 to the binary resolution or analysis of propositional > logical arguments and to set analysis. > > The book has gone through many editions since, and deservedly so. > > On the 4th of this month, GSB celebrated, possibly, his 90th birthday. > > Happy (Late) 90th Birthday, GSB! > > http://www.omath.org.il/Unity-of-mathematics.html > > -- > > Someone had to do it. > > < GSB's reason for writing LoF
Duality might be an artifact of our consciousness.
"...the first distinction, the Mark and the observer are not only interchangeable, but, in the form, identical."