∀ n, leibniz (filter_nat_type plus_body n) (plus n)

Theorem sym_eq_plus : forall (n:nat), leibniz.leibniz (nat -> nat) (filter_nat_type (nat -> nat) plus_body n) (plus n).

theorem sym_eq_plus : \forall (n:nat). (leibniz) (nat -> nat) ((filter_nat_type) (nat -> nat) (plus_body) n) ((plus) n).

theorem sym_eq_plus : forall (n:nat.nat) , (((leibniz.leibniz) ((nat.nat) -> nat.nat)) ((((nat.filter_nat_type) ((nat.nat) -> nat.nat)) ((nat.plus_body) )) (n))) (((nat.plus) ) (n)).

sym_eq_plus : LEMMA (FORALL(n:nat_sttfa.sttfa_nat):leibniz_sttfa_th.leibniz[[nat_sttfa.sttfa_nat -> nat_sttfa.sttfa_nat]](nat_sttfa.filter_nat_type[[nat_sttfa.sttfa_nat -> nat_sttfa.sttfa_nat]](nat_sttfa.plus_body)(n))(nat_sttfa.plus(n)))

Printing for OpenTheory is not working at the moment.