On Jan 9, 2014, at 12:55 AM, Mouse <mouse at rodents-montreal.org> wrote:
once you realise that Lisp source code is also Polish
Notation.
It's not. Lisp does NOT use RPN.
RPN stands for Reverse Polish Notation.
You may note the claim does not include the word "reverse?.
Indeed. (+ 1 2) certainly is classic ?ukasiewicz notation, prefix rather than postfix.
paul