- Paperback: 147 pages
- Publisher: Cognizer Co; Pck edition (January 1994)
- Language: English
- ISBN-10: 0963989901
- ISBN-13: 978-0963989901
- Product Dimensions: 0.5 x 5.5 x 8.5 inches
- Shipping Weight: 9.9 ounces
- Average Customer Review: 4.5 out of 5 stars See all reviews (19 customer reviews)
- Amazon Best Sellers Rank: #361,607 in Books (See Top 100 in Books)
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Laws of Form Pck Edition
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Top Customer Reviews
Furthermore, the essence of Brown's mathematical innovations were discovered by C S Peirce as early as 1885 (but published only after LoF was published). Nevertheless, LoF is no mean feat.
It radically simplifies sentential logic, switching circuit calculations, syllogisms. I use this book to solve logic problems arising in the computer programs I write.
Outside of electrical engineering, only a few mathematicians and logicians work with logic and Boolean algebra, which should be as commonly known as calculus and linear algebra.
I purchased this book in 1974, and have read many times since. EMail me at email@example.com if you want a copy of my academic paper explaining the value of Spencer Brown's achievement.
Contrary to what some other reviewers have written, Bertrand Russell did not praise this book--he seems to have been just as baffled by it as anyone else. He did praise the ideas presented in the book, but only after Spencer-Brown met with him and explained it to him.
It seems likely that the sections of the book were developed as lecture notes to be handed out in class. Presumably the professor would tell you what he was talking about, and the handouts would be supplemental reading. Unfortunately, all that we get in the book is the supplemental reading.
When you are looking for a tool, you don't want, or need, a math puzzle. This is why the notation and concepts presented in the book have never caught on with philosophers, mathematicians and engineers in spite of their clear superiority over the techniques of syllogism logic, symbolic logic, Boolean logic and set theory.
I have had a lot of fun with this book, but you shouldn't think you're going to get a lot out of it in your first reading.
be the first two sentences at the beginning of Chapter 1:
"We take as given the idea of distinction and the idea of
indication, and that one cannot make an indication without
drawing a distinction. We take therefore the form of distinction for the form."
This book is a carefully crafted and beautifully written
account of how the act of imagining a
distinction gives rise to worlds of multiplicity
from a unity where no distinction is actually possible.
The first mathematics that so arises is remarkably close to
the boolean mathematics with which all logicians, engineers and
philosphers are familiar. Once discovered it is easy to exhibit. Let < > stand for a typographical distinction between
outside < inside > outside. Note that in imagining distinctions using linear typography, one must make extra
cuts between right and left. Drawing circles in the plane is
easier (and C. S. Peirce did this long before Spencer-Brown).
Spencer-Brown uses a planar notation that is simple to write
and less easy to type. In any case, we make a mathematics from
the distinction < >. Think of < > as an "elementary particle" that can interact with itself in two ways.
1. It can interact with itself and produce itself, or it can
produce two copies of itself from itself.
< > ----- < > < >
Read the dotted line in either direction.
2. It can interact with itself to cancel to nothing, or a pair of two copies of the particle can emerge from nothing.
< < > > -----
Yes that's nothing on the right hand side, but maybe you would like a symbol for nothing. Ok. Let # stand for nothing.Read more ›
Nevertheless, this is an astounding book. Boolean algebra is the formalism upon which all of information technology rests. Formal logic deserves a far greater place in educational practice than has been the case in recent decades. A number of Brown's more basic ideas should be incorporated into the junior high curriculum. Finally, some of Brown's advanced ideas such as the imaginary truth value, that memory precedes time, and so forth, deserve more academic attention than they have gotten to date. I emphatically believe that there is a lot here from which the professional mathematician and logician could benefit.
Most Recent Customer Reviews
Delivery was on time. Quality was very good, product condition was exactly as described.Published 14 months ago by hbear
George Spencer-Brown (born 1923) is a mathematician and logician, who has taught at Oxford, the University of London, the University of Western Australia, Stanford University, and... Read morePublished 19 months ago by Steven H Propp
Made a distinction. A must read for everybody interested in paradoxes.Published 20 months ago by Jan Lelie
I admit--I'm addicted: GSB keeps on offering the most basic/elegant multiplier for truly intelligent sentience... Read morePublished on October 24, 2013 by Andimon
I bought G S Brown's book years ago, after reading vol III of Bertrand Russell's Autobiography. (I also bought another two self-published books by GSB - Twenty-Three Degrees of... Read morePublished on November 2, 2012 by Rerevisionist
An Excellent book. It contains the information from the original at a much more affordable price.Published on July 13, 2005 by R. Fullem
Yes, Spencer-Brown probably got a lot from Peirce, and yes, his "system" is isomorphic to older systems, and yes, it's NOR gates. Read morePublished on April 29, 2004 by Pauldog