X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fcomponents%2Fgrafite_engine%2FgrafiteEngine.ml;fp=matita%2Fcomponents%2Fgrafite_engine%2FgrafiteEngine.ml;h=ee0573ae741c828201dee08d05f09345fa611628;hb=5cfd68a5d9e73edb40e1cfe021a1426354767aa8;hp=f2876d2a9b6fb977cd0a42e5103ed85dbd657545;hpb=9ab5bcc58aa62e4ded71fd64cc5a4ea562195103;p=helm.git

diff --git a/matita/components/grafite_engine/grafiteEngine.ml b/matita/components/grafite_engine/grafiteEngine.ml
index f2876d2a9..ee0573ae7 100644
--- a/matita/components/grafite_engine/grafiteEngine.ml
+++ b/matita/components/grafite_engine/grafiteEngine.ml
@@ -499,8 +499,9 @@ let eval_ng_tac tac =
   |GrafiteAst.By_just_we_proved (_,j,t1,s,t2) -> Declarative.by_just_we_proved
   (just_to_tacstatus_just j text prefix_len) (text,prefix_len,t1) s (match t2 with None -> None |
   Some t2 -> (Some (text,prefix_len,t2)))
-  |GrafiteAst.We_need_to_prove (_, t, id, t2) -> Declarative.we_need_to_prove (text,prefix_len,t) id
-  (match t2 with None -> None | Some t2 -> Some (text,prefix_len,t2))
+  |GrafiteAst.We_need_to_prove (_, t, id, t1) -> Declarative.we_need_to_prove (text,prefix_len,t) id
+  (match t1 with None -> None | Some t1 -> Some (text,prefix_len,t1))
+  |GrafiteAst.BetaRewritingStep (_, t) -> Declarative.beta_rewriting_step (text,prefix_len,t)
   | GrafiteAst.Bydone (_, j) -> Declarative.bydone (just_to_tacstatus_just j text prefix_len)
   | GrafiteAst.ExistsElim (_, just, id1, t1, t2, id2) ->
      Declarative.existselim (just_to_tacstatus_just just text prefix_len) id1 (text,prefix_len,t1)
@@ -508,7 +509,7 @@ let eval_ng_tac tac =
   | GrafiteAst.AndElim(_,just,t1,id1,t2,id2) -> Declarative.andelim (just_to_tacstatus_just just
     text prefix_len) (text,prefix_len,t1) id1 (text,prefix_len,t2) id2
   | GrafiteAst.Thesisbecomes (_, t1, t2) -> Declarative.thesisbecomes (text,prefix_len,t1)
-  (match t2 with None -> None | Some t2 -> (Some (text,prefix_len,t2)))
+  (match t2 with None -> None | Some t2 -> Some (text,prefix_len,t2))
   | GrafiteAst.RewritingStep (_,rhs,just,cont) ->
      Declarative.rewritingstep (text,prefix_len,rhs)
                                 (match just with