update in groud_2 and models

[helm.git] / helm / software / matita / library / logic / connectives2.ma

diff --git a/helm/software/matita/library/logic/connectives2.ma b/helm/software/matita/library/logic/connectives2.ma
index a41c691d53a80003146f8da430d72f9a6c919cc1..e38223db7511ca46243634d7587ce508e1fda6ce 100644 (file)
--- a/helm/software/matita/library/logic/connectives2.ma
+++ b/helm/software/matita/library/logic/connectives2.ma
@@ -37,6 +37,6 @@ theorem transitive_iff: transitive ? iff.
  elim H1;
  split;
  intro;
- autobatch.
+ autobatch depth=3.
 qed.