better type for comparison and implementation of KBO orderings

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

diff --git a/helm/software/components/ng_paramodulation/orderings.mli b/helm/software/components/ng_paramodulation/orderings.mli
index 74989c3ebaae8872686ef6a7cfe1e09d9492c80c..c7f67aa09313fb1ec9127856ec9f8d06b7c3338e 100644 (file)
--- a/helm/software/components/ng_paramodulation/orderings.mli
+++ b/helm/software/components/ng_paramodulation/orderings.mli
@@ -17,6 +17,8 @@ module Orderings (B : Terms.Blob) :
     (* This order relation should be:
      * - stable for instantiation
      * - total on ground terms
+     *
+     * The output can range only on Eq, Lt, Gt, Incomparable
      *)
     val compare_terms : 
           B.t Terms.foterm -> B.t Terms.foterm -> Terms.comparison