test file with some bugs

diff --git a/matita/contribs/prova.ma b/matita/contribs/prova.ma
new file mode 100644 (file)
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+++ b/matita/contribs/prova.ma
@@ -0,0 +1,27 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+set "baseuri" "cic:/matita/test/".
+
+include "nat/nat.ma".
+
+theorem pippo: \forall (P,Q,R:nat \to Prop).
+               \forall x,y. x=y \to P x \to Q x \to R x.
+               intros.
+               try rewrite > P in Q.  
+(*             
+theorem pippo2: \forall (P,Q,R:nat \to Prop).
+                \forall x,y. x=y \to P x \to Q x \to R x.
+                intros. rewrite > H in y.
+*)