Functions & Data
June 8, 2008 | Filed Under Common Lisp - Touretzky
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Chapter 1
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Predicates - like SYMBOLP - return NIL if false and a non-NIL list (typically T) if true
ZEROP, ODDP, EVENP, <, >, EQUAL, NUMBERP
NOT returns a NIL for a non-NIL list, T for a NIL
SQRT, ABS
