∀ n m, ¬(n < m) ⇒ m ≤ n

Theorem not_lt_to_le : forall (n:nat), forall (m:nat), (connectives.Not (lt n m)) -> le m n.

theorem not_lt_to_le : \forall (n:nat). \forall (m:nat). ((Not) ((lt) n m)) -> (le) m n.

theorem not_lt_to_le : forall (n:nat.nat) , forall (m:nat.nat) , (((connectives.Not) ) ((((nat.lt_) ) (n)) (m))) -> (((nat.le_) ) (m)) (n).

not_lt_to_le : LEMMA (FORALL(n:nat_sttfa.sttfa_nat):(FORALL(m:nat_sttfa.sttfa_nat):(connectives_sttfa_th.sttfa_Not(nat_sttfa.lt(n)(m)) => nat_sttfa.le(m)(n))))

Printing for OpenTheory is not working at the moment.