X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2FfoUtils.ml;h=454432ec48925a4e53dc734aa6680faff7e14d7f;hb=a872dba2b03e27967d5b9b51e950e85967340e52;hp=9daefe305a215e3eca30939c4cd458488fc5f704;hpb=8f5f3f5c96fd3ab0c466b828a731b8517a91bbd0;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/foUtils.ml b/helm/software/components/ng_paramodulation/foUtils.ml
index 9daefe305..454432ec4 100644
--- a/helm/software/components/ng_paramodulation/foUtils.ml
+++ b/helm/software/components/ng_paramodulation/foUtils.ml
@@ -21,11 +21,6 @@ let rec lexicograph f l1 l2 =
   | _,[] -> 1
 ;;
   
-let mk_id = 
-  let id = ref 0 in
-  fun () -> incr id; !id
-;;
-
 module Utils (B : Terms.Blob) = struct
         module Subst = FoSubst;; (*.Subst(B) ;;*)
   module Order = Orderings.Orderings(B) ;;
@@ -124,18 +119,9 @@ module Utils (B : Terms.Blob) = struct
       | t -> Terms.Predicate t
     in
     let proof = Terms.Exact proofterm in
-    fresh_unit_clause maxvar (mk_id (), lit, varlist, proof)
+    fresh_unit_clause maxvar (0, lit, varlist, proof)
   ;;
 
-  let add_to_bag bag  (_,lit,vl,proof) =
-    let id = mk_id () in
-    let clause = (id, lit, vl, proof) in
-    let bag = Terms.M.add id (clause,false) bag in
-    bag, clause 
-   ;;
-    
-  let empty_bag = Terms.M.empty ;;
-
   let mk_passive_clause cl =
     (Order.compute_unit_clause_weight cl, cl)
   ;;