Succ02
Premises:
(forall ?X (not (= 0 (succ ?X)))) (forall (?X ?Y) (=> (= (succ ?X) (succ ?Y)) (= ?X ?Y))) (forall (?X ?Y) (<=> (= (succ ?X) (succ ?Y)) (= ?X ?Y)))
Conclusion:
(forall ?X (exists ?Y (= ?Y (succ ?X))))
Proof Trace