* 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 *)
-(* composite coercions are always declared as such; they are added to the *)
-(* CoercDb adding them to the library is left to the caller *)
-val add_coercion:
- UriManager.uri ->
- (UriManager.uri * Cic.obj) list
-
-val remove_coercion: UriManager.uri -> unit
-
val is_a_coercion: Cic.term -> bool
val source_of: Cic.term -> Cic.term
val target_of: Cic.term -> Cic.term
-val remove_all: unit -> unit