1.1 A Note on the Name

Symex was originally a tool for editing Lisp code, although it can be used with many languages, now.

Lisp has inherited a few oddball names from its deep prehistory, including the infamous car and cdr for the first and the rest of the elements in a list. But S-expression / sex-puh / symbolic expression — referring to the makeup of Lisp syntax — are all somewhat of a mouthful, too. Here are a few reasons why we might consider using "sym-ex" instead: