X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Flibrary%2FcoercDb.ml;h=fae09622950467c001f8271e4baf646f83feba11;hb=c204952360cbae6d46b995aa460a57e53026e589;hp=e0dc18d05f7146e9bf0125265eb9ef4aaa41e660;hpb=5da42f6120f3075c3da8ab3082ead39ea57955fa;p=helm.git

diff --git a/helm/software/components/library/coercDb.ml b/helm/software/components/library/coercDb.ml
index e0dc18d05..fae096229 100644
--- a/helm/software/components/library/coercDb.ml
+++ b/helm/software/components/library/coercDb.ml
@@ -41,7 +41,10 @@ let coerc_carr_of_term t =
  try
   match t with
    | Cic.Sort s -> Sort s
-   | Cic.Prod _ -> assert false
+   | Cic.Prod _ -> Fun 0 
+     (* BUG: this should be the real arity. The computation
+      requires menv, context etc.., but since carrs are compared discharging Fun
+      arity... it works *)
    | Cic.Appl (t::_)
    | t -> Uri (CicUtil.uri_of_term t)
  with Invalid_argument _ ->