X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Fdemo%2Fpropositional_sequent_calculus.ma;h=6e389c2fa1ac8227d1c17730715f7fe5af0b709f;hb=05b38c588708726f48288227221a8b706544b0a7;hp=36bb7e86308d07d2869fb0ad45d484d6bb9e8a1a;hpb=9eabe046c1182960de8cfdba96c5414224e3a61e;p=helm.git

diff --git a/helm/software/matita/library/demo/propositional_sequent_calculus.ma b/helm/software/matita/library/demo/propositional_sequent_calculus.ma
index 36bb7e863..6e389c2fa 100644
--- 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)));