Definition bs_of_cfg := fst cfg.Definition share_of_cfg := fst (snd cfg).Definition fl_of_cfg := fst (snd (snd cfg)).Definition cnt_of_cfg := fst (snd (snd (snd cfg))).Definition negm_of_cfg := fst (snd (snd (snd (snd cfg)))).Definition orm_of_cfg := fst (snd (snd (snd (snd (snd cfg))))).Definition um_of_cfg := snd (snd (snd (snd (snd (snd cfg))))).

Lemma BDDunique : forall (cfg : BDDconfig) (node1 node2 : ad), BDDconfig_OK cfg -> config_node_OK cfg node1 -> config_node_OK cfg node2 -> bool_fun_eq (bool_fun_of_BDD cfg node1) (bool_fun_of_BDD cfg node2) -> Neqb node1 node2 = true.