X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_refiner%2FnCicCoercion.mli;h=5e60b7685c49e52a0288ed0ad6a0b244fde1d332;hb=3d16e43756f5e7c7e551e93e003a15c90627b77b;hp=d01e30a5ad9d286e3735a24e38ce0cb974cd6087;hpb=62f476a05884d451bfb90d845ea2b1c0a1c77f96;p=helm.git

diff --git a/helm/software/components/ng_refiner/nCicCoercion.mli b/helm/software/components/ng_refiner/nCicCoercion.mli
index d01e30a5a..5e60b7685 100644
--- a/helm/software/components/ng_refiner/nCicCoercion.mli
+++ b/helm/software/components/ng_refiner/nCicCoercion.mli
@@ -22,6 +22,8 @@ val index_coercion:
   (* gets the old imperative coercion DB *)
 val db : unit -> db
 
+val empty_db : db
+
 val look_for_coercion:
     db ->
     NCic.metasenv -> NCic.substitution -> NCic.context ->