SEL-EXP-TERMS : WFFOP

SEL-EXP-TERMS is a wff operation.
Get the expansion terms of an expansion node or the
selected variable of a selection node.
 
The calling scheme for SEL-EXP-TERMS is:

(SEL-EXP-TERMS GWFF)
"GWFF"


The result is of type GWFFLIST.

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