X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Fpp.ml;h=ddf5726c49d0f6b479958a4e48ca9f969440f30d;hb=8e4367191fdfd125596658e35d4b99cd3047a5bc;hp=1c9fb2fc636018ac07d8d6e450f1de9b971378a1;hpb=a872dba2b03e27967d5b9b51e950e85967340e52;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/pp.ml b/helm/software/components/ng_paramodulation/pp.ml
index 1c9fb2fc6..ddf5726c4 100644
--- a/helm/software/components/ng_paramodulation/pp.ml
+++ b/helm/software/components/ng_paramodulation/pp.ml
@@ -68,8 +68,8 @@ let pp_proof bag ~formatter:f p =
           eq (string_of_rule rule);
 	Format.fprintf f "|%d with %d dir %s))" eq1 eq2
 	  (string_of_direction dir);
-	let (_, _, _, proof1),_ = Terms.get_from_bag eq1 bag in
-	let (_, _, _, proof2),_ = Terms.get_from_bag eq2 bag in
+	let (_, _, _, proof1),_,_ = Terms.get_from_bag eq1 bag in
+	let (_, _, _, proof2),_,_ = Terms.get_from_bag eq2 bag in
 	  Format.fprintf f "@[<v 2>";
           aux eq1 proof1;	    
           aux eq2 proof2;
@@ -85,6 +85,7 @@ let string_of_comparison = function
   | Terms.Gt -> "=>="
   | Terms.Eq -> "==="
   | Terms.Incomparable -> "=?="
+  | Terms.Invertible -> "=<->="
 
 let pp_unit_clause ~formatter:f c =
   let (id, l, vars, proof) = c in
@@ -123,7 +124,7 @@ let pp_unit_clause ~formatter:f c =
 let pp_bag ~formatter:f (_,bag) = 
   Format.fprintf f "@[<v>";
   Terms.M.iter 
-  (fun _ (c,d) -> pp_unit_clause ~formatter:f c;
+  (fun _ (c,d,_) -> pp_unit_clause ~formatter:f c;
      if d then Format.fprintf f " (discarded)@;"
      else Format.fprintf f "@;") bag;
   Format.fprintf f "@]"