X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Fdemo%2Frealisability.ma;h=93b5e712f24724cee2d004ea2f30e65432e1f16b;hb=3c1ca5620048ad842144fba291f8bc5f0dca7061;hp=a0c021273713bc49a5a05f47f830cc892ca33167;hpb=3deaedbac3407f8b4602b885a6405d4e0cc3e955;p=helm.git

diff --git a/helm/software/matita/library/demo/realisability.ma b/helm/software/matita/library/demo/realisability.ma
index a0c021273..93b5e712f 100644
--- a/helm/software/matita/library/demo/realisability.ma
+++ b/helm/software/matita/library/demo/realisability.ma
@@ -12,8 +12,6 @@
 (*                                                                        *)
 (**************************************************************************)
 
-set "baseuri" "cic:/matita/demo/realisability/".
-
 include "logic/connectives.ma".
 include "datatypes/constructors.ma".
 
@@ -106,19 +104,18 @@ theorem correct: ∀F:SP.∀r:type_OF_SP F.modr F r → Prop_OF_SP F.
  intro;
  elim F; simplify;
   [1,2: apply H
-  | split;
+  | split; simplify in r H2; 
      [apply H;
        [ apply (\fst r)
        | apply (proj1 ? ? H2)
        ]
-     | apply H1;
+     | apply H1;simplify in r H2;
        [ apply (\snd r)
        | apply (proj2 ? ? H2)
        ]
      ]
-  | generalize in match H2; clear H2;
-    change in r with (type_OF_SP s + type_OF_SP s1);
-    elim r; simplify in H2;
+  | change in r with (type_OF_SP s + type_OF_SP s1);
+    elim r in H2 ⊢ %; simplify in H2;
      [ left; apply H; assumption
      | right; apply H1; assumption
      ]
@@ -131,8 +128,7 @@ theorem correct: ∀F:SP.∀r:type_OF_SP F.modr F r → Prop_OF_SP F.
     | skip
     ]
   | simplify in r;
-    generalize in match H1; clear H1;
-    elim r;
+    elim r in H1 ⊢ %;
     apply (ex_intro ? ? a);
     apply H;
     assumption