X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Ftactics%2Fdeclarative.ml;h=24801542dabcb76f57a6684a6d60fccaef31a488;hb=66929b8edb58d468a134b648466f3e9c45ba5c0e;hp=e36c860374cc8e109ec4d35068b1d87f3ea8ce5f;hpb=20fcf3075628a59f30db4cc3ce81ea0d0f410d3f;p=helm.git

diff --git a/helm/software/components/tactics/declarative.ml b/helm/software/components/tactics/declarative.ml
index e36c86037..24801542d 100644
--- a/helm/software/components/tactics/declarative.ml
+++ b/helm/software/components/tactics/declarative.ml
@@ -123,10 +123,10 @@ let we_need_to_prove t id ty =
 
 let existselim ~dbd ~universe t id1 t1 id2 t2 =
  let aux (proof, goal) = 
-  let (n,metasenv,bo,ty,attrs) = proof in
+  let (n,metasenv,_subst,bo,ty,attrs) = proof in
   let metano,context,_ = CicUtil.lookup_meta goal metasenv in
   let t2, metasenv, _ = t2 (Some (Cic.Name id1, Cic.Decl t1) :: context) metasenv CicUniv.oblivion_ugraph in
-  let proof' = (n,metasenv,bo,ty,attrs) in
+  let proof' = (n,metasenv,_subst,bo,ty,attrs) in
    ProofEngineTypes.apply_tactic (
    Tacticals.thens
     ~start:(Tactics.cut (Cic.Appl [Cic.MutInd (UriManager.uri_of_string "cic:/matita/logic/connectives/ex.ind", 0, []); t1 ; Cic.Lambda (Cic.Name id1, t1, t2)]))
@@ -155,7 +155,7 @@ let andelim t id1 t1 id2 t2 =
 
 let rewritingstep ~dbd ~universe lhs rhs just last_step =
  let aux ((proof,goal) as status) =
-  let (curi,metasenv,proofbo,proofty, attrs) = proof in
+  let (curi,metasenv,_subst,proofbo,proofty, attrs) = proof in
   let _,context,gty = CicUtil.lookup_meta goal metasenv in
   let eq,trans =
    match LibraryObjects.eq_URI () with
@@ -184,7 +184,15 @@ let rewritingstep ~dbd ~universe lhs rhs just last_step =
           Tacticals.first
            [Tactics.auto ~dbd ~params ~universe ;
             Tactics.auto ~dbd ~params:params' ~universe]
-    | `Term just -> Tactics.apply just 
+    | `Term just -> 
+         let ty,_ =
+           CicTypeChecker.type_of_aux' metasenv context just
+             CicUniv.empty_ugraph         
+         in
+          Tactics.solve_rewrite 
+              ~universe:(Universe.index Universe.empty 
+                 (Universe.key ty) just) ~steps:1 ()
+         (* Tactics.apply just *)
   in
    let plhs,prhs,prepare =
     match lhs with
@@ -221,7 +229,7 @@ let rewritingstep ~dbd ~universe lhs rhs just last_step =
 	      FreshNamesGenerator.mk_fresh_name ~subst:[] metasenv context
                (Cic.Name name) ~typ
 	    in
-            let proof = curi,metasenv,proofbo,proofty, attrs in
+            let proof = curi,metasenv,_subst,proofbo,proofty, attrs in
             let proof,goals =
              ProofEngineTypes.apply_tactic
               (Tacticals.thens
@@ -257,7 +265,7 @@ let we_proceed_by_cases_on t pat =
 
 let we_proceed_by_induction_on t pat =
  let pattern = None, [], Some pat in
- Tactics.elim_intros ~depth:0 ~pattern t
+ Tactics.elim_intros ~depth:0 (*~pattern*) t
 ;;
 
 let case id ~params =