FREE-IN : WFFOP

FREE-IN is a wff operation.
Test whether a variable is free in a gwff.
 
The calling scheme for FREE-IN is:

(FREE-IN GVAR INWFF)
"GVAR" "GWFF"


The result is of type BOOLEAN.

The arguments have the following meaning:
GVAR : var
INWFF : inwff

TPS documentation homepage


© 1988-99, Carnegie Mellon University.

TPS homepage