cicDischarge: new module for discharging the explicit variables occurring in a

[helm.git] / helm / software / components / tactics / paramodulation / equality_indexing.ml

diff --git a/helm/software/components/tactics/paramodulation/equality_indexing.ml b/helm/software/components/tactics/paramodulation/equality_indexing.ml
index d5e5353e9bd585f58427237e6083a952d7e62bf4..85ec40f8ab0ed4f5f23979b3bae832bbc34b95d4 100644 (file)
--- a/helm/software/components/tactics/paramodulation/equality_indexing.ml
+++ b/helm/software/components/tactics/paramodulation/equality_indexing.ml
@@ -28,12 +28,10 @@
 module type EqualityIndex =
   sig
     module PosEqSet : Set.S with type elt = Utils.pos * Equality.equality
-    val arities : (Cic.term, int) Hashtbl.t
-    type key = Cic.term
     type t = Discrimination_tree.DiscriminationTreeIndexing(PosEqSet).t
     val empty : t
-    val retrieve_generalizations : t -> key -> PosEqSet.t
-    val retrieve_unifiables : t -> key -> PosEqSet.t
+    val retrieve_generalizations : t -> Cic.term -> PosEqSet.t
+    val retrieve_unifiables : t -> Cic.term -> PosEqSet.t
     val init_index : unit -> unit
     val remove_index : t -> Equality.equality -> t
     val index : t -> Equality.equality -> t
@@ -55,9 +53,7 @@ struct
     
 
     (* DISCRIMINATION TREES *)
-    let init_index () =
-      Hashtbl.clear arities;
-    ;;
+    let init_index () = () ;;
 
     let remove_index tree equality = 
       let _, _, (_, l, r, ordering), _,_ = Equality.open_equality equality in
@@ -102,9 +98,7 @@ module PT =
     
 
     (* DISCRIMINATION TREES *)
-    let init_index () =
-      Hashtbl.clear arities;
-    ;;
+    let init_index () = () ;;
 
     let remove_index tree equality = 
       let _, _, (_, l, r, ordering), _,_ = Equality.open_equality equality in