fixed script to use auto depth=4

diff --git a/helm/software/matita/library/demo/propositional_sequent_calculus.ma b/helm/software/matita/library/demo/propositional_sequent_calculus.ma
index 36bb7e86308d07d2869fb0ad45d484d6bb9e8a1a..6e389c2fa1ac8227d1c17730715f7fe5af0b709f 100644 (file)
--- a/helm/software/matita/library/demo/propositional_sequent_calculus.ma
+++ b/helm/software/matita/library/demo/propositional_sequent_calculus.ma
@@ -508,7 +508,7 @@ lemma look_for_axiom:
           simplify;
           apply (ex_intro ? ? a3);
           apply (ex_intro ? ? a4);
-          autobatch
+          autobatch depth=4
         | right;
           intro;
           apply (bool_elim ? (same_atom a (FAtom n1)));