X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Fterms.mli;h=dfed661d4576ba9b0799c4a61669cc98be653ec4;hb=95a14ced97592a4116485f94c6ffa806feb62dbc;hp=7c60f056276f1b2f65175c9b0f974ed79692f305;hpb=2c2b31c242aa81dc6f3c73e7e2a3ec0789a21edd;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/terms.mli b/helm/software/components/ng_paramodulation/terms.mli
index 7c60f0562..dfed661d4 100644
--- a/helm/software/components/ng_paramodulation/terms.mli
+++ b/helm/software/components/ng_paramodulation/terms.mli
@@ -50,11 +50,35 @@ type 'a unit_clause =
  * varlist
  * 'a proof      (* proof *)
 
-type 'a passive_clause = int * 'a unit_clause (* weight * equation *)
+type 'a clause =
+    int
+    * 'a literal list (* left hand side of the arrow *)
+    * 'a literal list (* right hand side of the arrow *)
+    * varlist
+    * 'a proof
+
+type 'a passive_clause = int * 'a clause (* weight * equation *)
+
+val vars_of_term : ?start_acc:int list -> 'a foterm  -> int list
 
 module M : Map.S with type key = int 
 
-type 'a bag = ('a unit_clause * bool) M.t
+type 'a bag = int (* max ID  *)
+              * (('a unit_clause * bool * int) M.t)
+
+(* also gives a fresh ID to the clause *)
+    val add_to_bag : 
+          'a unit_clause -> 'a bag ->
+            'a bag * 'a unit_clause
+
+    val replace_in_bag : 
+          'a unit_clause * bool * int -> 'a bag ->
+            'a bag
+
+    val get_from_bag : 
+          int -> 'a bag -> 'a unit_clause * bool * int
+
+    val empty_bag : 'a bag
 
 module type Blob =
   sig
@@ -71,9 +95,10 @@ module type Blob =
      * *)
     val pp : t -> string
 
-    val embed : t -> t foterm 
+    type input
+    val embed : input -> t foterm
     (* saturate [proof] [type] -> [proof] * [type] *)
-    val saturate : t -> t -> t foterm * t foterm
+    val saturate : input -> input -> t foterm * t foterm
 
   end