X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fparamodulation%2Futils.mli;h=e69caed4d6644bf46c9704b76006bcc1c8b94c43;hb=12cc5b2b8e7f7bb0b5e315094b008a293a4df6b1;hp=1adf90e5045094c048c30fe624f3d4ade8b2e068;hpb=92d100db14a01e3fb70a7d5151ac1e60d5a782a0;p=helm.git

diff --git a/helm/ocaml/paramodulation/utils.mli b/helm/ocaml/paramodulation/utils.mli
index 1adf90e50..e69caed4d 100644
--- a/helm/ocaml/paramodulation/utils.mli
+++ b/helm/ocaml/paramodulation/utils.mli
@@ -5,7 +5,7 @@ type comparison = Lt | Le | Eq | Ge | Gt | Incomparable;;
 
 val print_metasenv: Cic.metasenv -> string
 
-val print_subst: Cic.substitution -> string
+val print_subst: ?prefix:string -> Cic.substitution -> string
 
 val string_of_weight: weight -> string
 
@@ -31,3 +31,13 @@ val lpo: Cic.term -> Cic.term -> comparison
 
 (** term-ordering function settable by the user *)
 val compare_terms: (Cic.term -> Cic.term -> comparison) ref
+
+type equality_sign = Negative | Positive
+
+val string_of_sign: equality_sign -> string
+
+type pos = Left | Right 
+
+val string_of_pos: pos -> string
+
+val compute_equality_weight: Cic.term -> Cic.term -> Cic.term -> int