X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Ftests%2Fchange.ma;h=4e26d4439610643ff8781e62b2f3231a7531c721;hb=33a02e0b639217093eb63f30169aaa6ac8c78907;hp=199ce3bd8352c8eb2b6d3954b74efef06d89bbe7;hpb=cec61c8b027b15b98d308cee8900d9cf35a02d28;p=helm.git

diff --git a/helm/matita/tests/change.ma b/helm/matita/tests/change.ma
index 199ce3bd8..4e26d4439 100644
--- a/helm/matita/tests/change.ma
+++ b/helm/matita/tests/change.ma
@@ -1,5 +1,5 @@
 (**************************************************************************)
-(*       ___	                                                            *)
+(*       ___                                                              *)
 (*      ||M||                                                             *)
 (*      ||A||       A project by Andrea Asperti                           *)
 (*      ||T||                                                             *)
@@ -13,6 +13,7 @@
 (**************************************************************************)
 
 set "baseuri" "cic:/matita/tests/change/".
+include "coq.ma".
 alias num (instance 0) = "natural number".
 alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
 alias symbol "plus" (instance 0) = "Coq's natural plus".
@@ -27,3 +28,13 @@ change in \vdash (? ? % ?) with 5.
 rewrite < H in \vdash (? ? % ?). 
 reflexivity.
 qed.
+
+(* tests changing a term under a binder *)
+alias id "True" = "cic:/Coq/Init/Logic/True.ind#xpointer(1/1)".
+theorem t: (\forall x:nat. x=x) \to True.
+ intro H.
+ change in match x in H : \forall _.% with 0+x.
+ change in H: \forall _.(? ? ? (? % ?)) with 0.
+ constructor 1.
+qed.
+