X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Ftactics%2Fparamodulation%2Futils.ml;h=072d64f66cd76b785c2585d7469b014739d1fd40;hb=0e6ba9d1134a3bfe9fd4d5b4495faf0811a216df;hp=db19e87d1d89f77f67ed818df82b625e323da12e;hpb=d811085efd81ce196a2d6cfee54ce1eb7a076a22;p=helm.git

diff --git a/helm/software/components/tactics/paramodulation/utils.ml b/helm/software/components/tactics/paramodulation/utils.ml
index db19e87d1..072d64f66 100644
--- a/helm/software/components/tactics/paramodulation/utils.ml
+++ b/helm/software/components/tactics/paramodulation/utils.ml
@@ -60,6 +60,8 @@ let string_of_comparison = function
   | Eq -> "="
   | Incomparable -> "I"
 
+type environment = Cic.metasenv * Cic.context * CicUniv.universe_graph
+
 module OrderedTerm =
 struct
   type t = Cic.term
@@ -291,7 +293,7 @@ end
 module IntSet = Set.Make(OrderedInt)
 
 let compute_equality_weight (ty,left,right,o) =
-  let factor = 1 in
+  let factor = 2 in
   match o with
     | Lt -> 
 	let w, m = (weight_of_term 
@@ -427,7 +429,6 @@ let compare_weights ?(normalize=false)
   | (m, _, n) when m > 0 && n > 0 ->
       Incomparable
   | _ -> assert false 
-
 ;;
 
 
@@ -731,3 +732,8 @@ let eq_XURI () =
   let s = UriManager.string_of_uri (LibraryObjects.eq_URI ()) in
   UriManager.uri_of_string (s ^ "#xpointer(1/1/1)")
 let trans_eq_URI () = LibraryObjects.trans_eq_URI ~eq:(LibraryObjects.eq_URI ())
+
+let metas_of_term t = 
+  List.map fst (CicUtil.metas_of_term t)
+;;
+