X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Fcic_proof_checking%2FcicTypeChecker.mli;h=a845a332d350e9b05b21b4d15da4d04166053742;hb=8aaf525856e25bcd8f355e505fd00f45c62bc18f;hp=5cbda28d638100874cf69a8836492947c996e56b;hpb=358cefe50cccd4cb7d8e2a9cecb7efcb5780b8a3;p=helm.git

diff --git a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli
index 5cbda28d6..a845a332d 100644
--- a/helm/ocaml/cic_proof_checking/cicTypeChecker.mli
+++ b/helm/ocaml/cic_proof_checking/cicTypeChecker.mli
@@ -39,5 +39,10 @@ val type_of_aux':
   Cic.term -> CicUniv.universe_graph -> 
   Cic.term * CicUniv.universe_graph
 
+(* does_not_occur context lower upper term                  *)
+(* searches for a Cic.Rel i in term with lower < i <= upper *)
+val does_not_occur : Cic.context -> int -> int -> Cic.term -> bool
+
 (* typechecks the obj and puts it in the environment *)
 val typecheck_obj : UriManager.uri -> Cic.obj -> unit
+