X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2FfoUnif.ml;h=0946873b9af5c11fea237022b2394a40393e3de6;hb=f8d45b2e4fa7817d7ef8312b3bb8a7439bd7fb8c;hp=cb3045c1918e9b0c9682e68c939440eb061d5c10;hpb=eeffdf0672400325577c1df83e10ad700b223262;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/foUnif.ml b/helm/software/components/ng_paramodulation/foUnif.ml
index cb3045c19..0946873b9 100644
--- a/helm/software/components/ng_paramodulation/foUnif.ml
+++ b/helm/software/components/ng_paramodulation/foUnif.ml
@@ -81,6 +81,7 @@ module Founif (B : Orderings.Blob) = struct
     subst
 ;;
 
+(* Sets of variables in s and t are assumed to be disjoint  *)
   let alpha_eq s t =
     let rec equiv subst s t =
       let s = match s with Terms.Var i -> Subst.lookup i subst | _ -> s
@@ -106,5 +107,6 @@ module Founif (B : Orderings.Blob) = struct
     in
       equiv Subst.id_subst s t
 ;;
+	
 
 end