exception ObjectNotFound of string Lazy.t;;
exception BadDependency of string Lazy.t * exn;;
exception BadConstraint of string Lazy.t;;
+exception AlreadyDefined of string Lazy.t;;
val set_get_obj: (NUri.uri -> NCic.obj) -> unit
val get_relevance: NReference.reference -> bool list
val type0: NCic.universe
+val get_universes: unit -> NCic.universe list
+val is_declared: NCic.universe -> bool
val max: NCic.universe -> NCic.universe -> NCic.universe
(* universe_* raise BadConstraints if the second arg. is an inferred universe *)
val universe_eq: NCic.universe -> NCic.universe -> bool