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Gensym

<library> /jen'sim/ (From the MacLISP for "generated symbol") To invent a new name for something temporary, in such a way that the name is almost certainly not in conflict with one already in use.

The canonical form of a gensym is "Gnnnn" where nnnn represents a number; any LISP hacker would recognise G0093 (for example) as a gensym.

Gensymmed names are useful for storing or uniquely identifying crufties.

[Jargon File]

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genetic algorithms genetic programming GEnie Services Genken Programming Language GENOVA	G2 gensym Gensym Corporation GSI	Gensym Corporation Gensym Standard Interface Gentleman's Portable Coroutine System GEN-X Geographical Information System