William Clifford wrote:
same (or different) results. I've read one can do all of the 16 binary operations with clever uses of NAND or NOR.
The book Laws of Form, by Spencer-Brown' is based on that observation, with nand/nor expanded to n-ary 'bag' functions (like sum() is).
I recommend it, especially if you can find it in a library. tjr -- http://mail.python.org/mailman/listinfo/python-list
