X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Ftactics%2Fparamodulation%2Futils.ml;h=00d745fd906fb1ec2ac0aa6fa88a11faa17b7515;hb=f809c7537eda20a275b17bc1407f0ee446f70356;hp=81c84af35acf54b90e15429d58e0ea34a616bdb8;hpb=2b635ef37ea18619199fbadcdab61fc9184995dd;p=helm.git

diff --git a/helm/software/components/tactics/paramodulation/utils.ml b/helm/software/components/tactics/paramodulation/utils.ml
index 81c84af35..00d745fd9 100644
--- a/helm/software/components/tactics/paramodulation/utils.ml
+++ b/helm/software/components/tactics/paramodulation/utils.ml
@@ -98,6 +98,12 @@ let metas_of_term term =
     | C.Meta _ as t -> TermSet.singleton t
     | C.Appl l ->
         List.fold_left (fun res t -> TermSet.union res (aux t)) TermSet.empty l
+    | C.Lambda(n,s,t) ->
+	TermSet.union (aux s) (aux t)
+    | C.Prod(n,s,t) ->
+	TermSet.union (aux s) (aux t)
+    | C.LetIn(n,s,t) ->
+	TermSet.union (aux s) (aux t)
     | t -> TermSet.empty (* TODO: maybe add other cases? *)
   in
   aux term