∀ n, leibniz (filter_nat_type fact_body n) (!n)

Theorem sym_eq_fact : forall (n:nat.nat), leibniz.leibniz (nat.nat) (nat.filter_nat_type (nat.nat) fact_body n) (fact n).

theorem sym_eq_fact : \forall (n:nat). (leibniz) (nat) ((filter_nat_type) (nat) (fact_body) n) ((fact) n).

theorem sym_eq_fact : forall (n:nat.nat) , (((leibniz.leibniz) (nat.nat)) ((((nat.filter_nat_type) (nat.nat)) ((fact.fact_body) )) (n))) (((fact.fact) ) (n)).

sym_eq_fact : LEMMA (FORALL(n:nat_sttfa_th.sttfa_nat):leibniz_sttfa_th.leibniz[nat_sttfa_th.sttfa_nat](nat_sttfa_th.filter_nat_type[nat_sttfa_th.sttfa_nat](fact_sttfa.fact_body)(n))(fact_sttfa.sttfa_fact(n)))

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