NON-ATOMIC-OR-TRUTHVALUE : WFFOP

NON-ATOMIC-OR-TRUTHVALUE is a wff operation.
Tests whether a wff is not atomic or a truth value, that is, truth, falsehood, negated,
quantified or the result of joining two wffs with a binary connective.
 
The calling scheme for NON-ATOMIC-OR-TRUTHVALUE is:

(NON-ATOMIC-OR-TRUTHVALUE GWFF)
"GWFF"


The result is of type BOOLEAN.

The arguments have the following meaning:
GWFF : Wff

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