fact: Definition BDDneg (cfg : BDDconfig) (memo : BDDneg_memo) (node : ad) := match BDDneg_1_1 cfg memo node (S (nat_of_N (var cfg node))) with | ((cfg', node'), memo') => (cfg', (node', memo')) end.
imports: Bool Sumbool Arith ZArith NArith Nnat Ndec Ndigits IntMap(Allmaps) Wf_nat BDDvar_ad_nat bdd1 bdd2 bdd3 bdd4 bdd5_1 bdd5_2 bdd6 bdd7 BDDdummy_lemma_2 BDDdummy_lemma_3 BDDdummy_lemma_4 bdd8 bdd9