-val transitions : t -> state -> (label*formula) list
-(** Give the list of labels and formulae from transitions for a given state *)
+val transitions : t -> state -> (label*formula) list * (label*formula) list
+(** Give the list of labels and formulae from queries and recognizing
+ transitions for a given state *)
+
+val transitions_lab : t -> QName.t -> (state*formula) list *(state*formula) list
+(** Give the list of states and formulae from queries and recognizing
+ transitions for a given tag *)