∀ n m, m ≤ (n + m)

Theorem le_plus_n : forall (n:nat), forall (m:nat), le m (plus n m).

theorem le_plus_n : \forall (n:nat). \forall (m:nat). (le) m ((plus) n m).

theorem le_plus_n : forall (n:nat.nat) , forall (m:nat.nat) , (((nat.le_) ) (m)) ((((nat.plus) ) (n)) (m)).

le_plus_n : LEMMA (FORALL(n:nat_sttfa.sttfa_nat):(FORALL(m:nat_sttfa.sttfa_nat):nat_sttfa.le(m)(nat_sttfa.plus(n)(m))))

Printing for OpenTheory is not working at the moment.