fact: Definition BDDiff (cfg : BDDconfig) (negm : BDDneg_memo) (orm : BDDor_memo) (node1 node2 : ad) := match BDDimpl cfg negm orm node1 node2 with | (cfg', (node1', (negm', orm'))) => match BDDimpl cfg' negm' orm' node2 node1 with | (cfg'', (node2', (negm'', orm''))) => BDDand cfg'' negm'' orm'' node1' node2' end 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 bdd10