X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=components%2Facic_procedural%2FproceduralMode.ml;h=e13846fc85a3ddee2b6dbb4f805be0ab7fac1de6;hb=refs%2Ftags%2F0.4.95;hp=433966d1b68200e0896b8748a7abe200fb5720d8;hpb=474a2de3446753bd9660f185187087d5fa10afd3;p=helm.git

diff --git a/components/acic_procedural/proceduralMode.ml b/components/acic_procedural/proceduralMode.ml
index 433966d1b..e13846fc8 100644
--- a/components/acic_procedural/proceduralMode.ml
+++ b/components/acic_procedural/proceduralMode.ml
@@ -23,13 +23,15 @@
  * http://cs.unibo.it/helm/.
  *)
 
-module C  = Cic
+module C   = Cic
+module PEH = ProofEngineHelpers
+
 module Cl = ProceduralClassify
 
 let is_eliminator = function
-   | _ :: C.MutInd _ :: _               -> true
-   | _ :: C.Appl (C.MutInd _ :: _) :: _ -> true
-   | _                                  -> false
+   | _ :: (_, C.MutInd _) :: _               -> true
+   | _ :: (_, C.Appl (C.MutInd _ :: _)) :: _ -> true
+   | _                                       -> false
 
 let is_const = function
    | C.Sort _
@@ -47,9 +49,9 @@ let rec is_appl b = function
 
 let bkd c t =
    let classes, rc = Cl.classify c t in
-   let premises, _ = Cl.split c t in
+   let premises, _ = PEH.split_with_whd (c, t) in
    match rc with
-      | Some (i, j) when i > 1 && i <= List.length classes && is_eliminator premises -> true
+      | Some (i, j, _, _) when i > 1 && i <= List.length classes && is_eliminator premises -> true
       | _ ->
-         let ts, _ = Cl.split c t in
-         is_appl true (List.hd ts)
+         let _, conclusion = List.hd premises in
+         is_appl true conclusion