X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Ftactics%2Fdeclarative.ml;h=c248d0cad0bf15c9bbe2119eec36346cf12fed86;hb=217c3be106db930f258bfe479777179ace594b03;hp=8e077c6bd7e2d289f71763bbff9f183cbfd0a0d6;hpb=3c5ae672d701c15b24fba38f38f583ef9e7414af;p=helm.git

diff --git a/helm/software/components/tactics/declarative.ml b/helm/software/components/tactics/declarative.ml
index 8e077c6bd..c248d0cad 100644
--- a/helm/software/components/tactics/declarative.ml
+++ b/helm/software/components/tactics/declarative.ml
@@ -171,7 +171,7 @@ let rewritingstep ~dbd ~universe lhs rhs just last_step =
   in
   let ty,_ =
    CicTypeChecker.type_of_aux' metasenv context rhs CicUniv.empty_ugraph in
-  let just =
+  let just' =
    match just with
       `Auto params ->
         let params =
@@ -246,8 +246,9 @@ let rewritingstep ~dbd ~universe lhs rhs just last_step =
                 ~continuations:[Tacticals.id_tac ; continuation]) (proof,goal)
             in
              let goals =
-              match goals with
-                 [g1;g2] -> [g2;newmeta;g1]
+              match just,goals with
+                 `Proof, [g1;g2;g3] -> [g2;g3;newmeta;g1]
+               | _, [g1;g2] -> [g2;newmeta;g1]
                | _ -> assert false
              in
               proof,goals)
@@ -255,11 +256,11 @@ let rewritingstep ~dbd ~universe lhs rhs just last_step =
     let continuation =
      if last_step then
       (*CSC:manca controllo sul fatto che rhs sia convertibile con prhs*)
-      just
+      just'
      else
       Tacticals.thens
        ~start:(Tactics.apply ~term:(Cic.Appl [trans;ty;plhs;rhs;prhs]))
-       ~continuations:[just ; Tacticals.id_tac]
+       ~continuations:[just' ; Tacticals.id_tac]
     in
      prepare continuation
  in