X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fcic%2FcicUtil.mli;h=b8d71f51f96da76779f64a2efc25ba58e1565750;hb=3e654398885c207e9509bb08a2d803c3ee695635;hp=4391efc821ec6d0e2fe318e38c0faeb1aa9af48d;hpb=551b90466538e44c85b2f739e47b89140c0bce67;p=helm.git

diff --git a/helm/software/components/cic/cicUtil.mli b/helm/software/components/cic/cicUtil.mli
index 4391efc82..b8d71f51f 100644
--- a/helm/software/components/cic/cicUtil.mli
+++ b/helm/software/components/cic/cicUtil.mli
@@ -36,6 +36,8 @@ val clean_up_local_context :
 val is_closed : Cic.term -> bool
 val is_meta_closed : Cic.term -> bool
 val metas_of_term : Cic.term -> (int * Cic.term option list) list
+(* as before but with no duplicates. may avoind some stack overflows *)
+val metas_of_term_set : Cic.term -> (int * Cic.term option list) list
 
   (** @raise Failure "not enough prods" *)
 val strip_prods: int -> Cic.term -> Cic.term