(self)
return self.node_type() in RELATIONS
Test whether the node is a theory relation.
Test whether the node is a theory relation.
Test whether the node is a theory relation .
def is_theory_relation(self):
        """Test whether the node is a theory relation."""
        return self.node_type() in RELATIONS
def is_theory_relation ( self ) : return self . node_type ( ) in RELATIONS