(<=> (Quantsent ?X)
(Or (Exists (?V ?P)
(And (Indvar ?V)
(Sentence ?P)
(Or (= ?X (Listof 'Forall ?V ?P))
(= ?X (Listof 'Exists ?V ?P)))))
(Exists (?Vlist ?P)
(And (List ?Vlist)
(Sentence ?P)
(>= (Length ?Vlist) 1)
(=> (Item ?V ?Vlist) (Indvar ?V))
(Or (= ?X (Listof 'Forall ?Vlist ?P))
(= ?X (Listof 'Exists ?Vlist ?P)))))))