Reorganized foUtils, added Clauses module to avoid duplicate code around are_invertib...

[helm.git] / helm / software / components / ng_paramodulation / foUtils.mli

diff --git a/helm/software/components/ng_paramodulation/foUtils.mli b/helm/software/components/ng_paramodulation/foUtils.mli
index 5d83a987d8ff64312f41ab5691efd7d3a723c320..fcb94c22e3f03fa1d4249fd9deb195681ab0a175 100644 (file)
--- a/helm/software/components/ng_paramodulation/foUtils.mli
+++ b/helm/software/components/ng_paramodulation/foUtils.mli
@@ -11,6 +11,8 @@
 
 (* $Id: terms.ml 9836 2009-06-05 15:33:35Z denes $ *)
 
+val lexicograph : ('a -> 'b -> int) -> 'a list -> 'b list -> int
+
 module Utils (B : Terms.Blob) :
   sig
     val eq_foterm : B.t Terms.foterm -> B.t Terms.foterm -> bool
@@ -19,14 +21,7 @@ module Utils (B : Terms.Blob) :
     val eq_literal : B.t Terms.literal -> B.t Terms.literal -> bool
     val compare_literal : B.t Terms.literal -> B.t Terms.literal -> int
 
-    (* mk_unit_clause [maxvar] [type] [proof] -> [clause] * [maxvar] *)
-    val mk_unit_clause : 
-         int -> B.t Terms.foterm -> B.t Terms.foterm -> 
-           B.t Terms.unit_clause * int
-
-    val eq_unit_clause : B.t Terms.unit_clause -> B.t Terms.unit_clause -> bool
-    val compare_unit_clause : B.t Terms.unit_clause -> B.t Terms.unit_clause -> int
+    val relocate : int -> int list -> B.t Terms.substitution 
+                       -> int * int list * B.t Terms.substitution
 
-    val fresh_unit_clause : 
-          int -> B.t Terms.unit_clause -> B.t Terms.unit_clause * int
   end