* http://cs.unibo.it/helm/.
*)
+(* This module implements the Query interface to the Coercion Graph *)
+
type coercion_search_result =
| SomeCoercion of Cic.term
| NoCoercion
val look_for_coercion :
Cic.term -> Cic.term -> coercion_search_result
-(* 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
-val remove_coercion: UriManager.uri -> unit