tests changing under a binder

diff --git a/helm/matita/tests/change.ma b/helm/matita/tests/change.ma
index 2c5daf0d2f459285ec9f003d74083487f83215b3..4e26d4439610643ff8781e62b2f3231a7531c721 100644 (file)
--- a/helm/matita/tests/change.ma
+++ b/helm/matita/tests/change.ma
@@ -28,3 +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.
+