nat.lt_O_S
∀ n, O < (n+1)
Theorem lt_O_S : forall (n:nat), lt O (S n).
theorem lt_O_S : \forall (n:nat). (lt) (O) ((S) n).
theorem lt_O_S : forall (n:nat.nat) , (((nat.lt_) ) ((nat.O) )) (((nat.S) ) (n)).
lt_O_S : LEMMA (FORALL(n:nat_sttfa.sttfa_nat):nat_sttfa.lt(nat_sttfa.sttfa_O)(nat_sttfa.sttfa_S(n)))
Printing for OpenTheory is not working at the moment.