X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Fsuperposition.mli;h=c67dbfb07dbbc13b3297d0b8903305a9680cf588;hb=f7804325dbb5b51820edefe5d5ffff89809fe35c;hp=5878918c2b37d60c1a8b8a4b63758d927882b229;hpb=96c91e470f670018df67c9cbff62fa06e3b57c5e;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/superposition.mli b/helm/software/components/ng_paramodulation/superposition.mli
index 5878918c2..c67dbfb07 100644
--- a/helm/software/components/ng_paramodulation/superposition.mli
+++ b/helm/software/components/ng_paramodulation/superposition.mli
@@ -11,10 +11,15 @@
 
 (* $Id: index.mli 9822 2009-06-03 15:37:06Z tassi $ *)
 
-module Superposition (B : Terms.Blob) : 
+module Superposition (B : Orderings.Blob) : 
   sig
 
-    exception Success of B.t Terms.bag * int * B.t Terms.unit_clause
+                        (* bag, maxvar, meeting point *)
+    exception Success of 
+      B.t Terms.bag 
+      * int 
+      * B.t Terms.unit_clause
+      * B.t Terms.substitution
 
     (* The returned active set is the input one + the selected clause *)
     val infer_right :
@@ -36,21 +41,44 @@ module Superposition (B : Terms.Blob) :
           B.t Terms.unit_clause ->
           Index.Index(B).DT.t -> B.t Terms.bag * B.t Terms.unit_clause
 
-    val forward_simplify : 
+    val simplify : 
           Index.Index(B).DT.t ->
+          int ->
           B.t Terms.bag ->
           B.t Terms.unit_clause ->
-            (B.t Terms.bag * B.t Terms.unit_clause) option
+            B.t Terms.bag * (B.t Terms.unit_clause option)
 
     (* may raise success *)
-    val backward_simplify : 
+    val simplify_goal :
+          no_demod:bool ->
           int ->
           Index.Index(B).DT.t ->
           B.t Terms.bag ->
+          B.t Terms.unit_clause list ->
           B.t Terms.unit_clause ->
-            B.t Terms.bag * B.t Terms.unit_clause
-
-  end
+            (B.t Terms.bag * B.t Terms.unit_clause) option
 
+    val one_pass_simplification:
+      B.t Terms.unit_clause ->
+      Index.Index(B).active_set ->
+      B.t Terms.bag ->
+      int ->
+      B.t Terms.bag * (B.t Terms.unit_clause * Index.Index(B).active_set) option
+    val keep_simplified:
+      B.t Terms.unit_clause ->
+      Index.Index(B).active_set ->
+      B.t Terms.bag ->
+      int ->
+      B.t Terms.bag * (B.t Terms.unit_clause * Index.Index(B).active_set) option
 
+    val  orphan_murder:
+      B.t Terms.bag ->
+      B.t Terms.unit_clause list ->
+      B.t Terms.unit_clause ->
+      bool
 
+    val are_alpha_eq : 
+      B.t Terms.unit_clause ->
+      B.t Terms.unit_clause ->
+      bool
+  end