CHAPTER 2Beginnings

“A good notation has a subtlety and suggestiveness which at times make it almost seem like a live teacher.”

Bertrand Russel

“By relieving the brain of all unnecessary work, a good notation sets it free to concentrate on more advanced problems, and, in effect, increases the mental power of the race.”

Alfred North Whitehead

“It is no exaggeration to regard this as the most fundamental idea in programming: The evaluator, which determines the meaning of expressions in a programming language, is just another program. To appreciate this point is to change our images of ourselves as programmers. We come to see ourselves as designers of languages, rather than only users of languages designed by others.”

Harold Abelson and Gerald ...

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