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 node_preserved_bs_bool_fun_1 : forall (n : nat) (bs bs' : BDDstate) (node : ad), BDDstate_OK bs -> BDDstate_OK bs' -> node_preserved_bs bs bs' node -> node_OK bs node -> n = nat_of_N (bs_node_height bs node) -> bool_fun_eq (bool_fun_of_BDD_bs bs' node) (bool_fun_of_BDD_bs bs node).