-(* it returns the list of composite coercions and their auxiliary lemmas *)
-(* composite coercions are always declared as such; they are added to the *)
-(* library only on demand (i.e. not when processing a .moo) *)
-val add_coercion:
- basedir:string -> add_composites:bool -> UriManager.uri -> UriManager.uri list
+val is_a_coercion: Cic.term -> bool
+val source_of: Cic.term -> Cic.term
+val target_of: Cic.term -> Cic.term