X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fdynamic%2Fygt.ma;h=b593d637de03bb4cb7676417d5716a902a0920a8;hb=65008df95049eb835941ffea1aa682c9253c4c2b;hp=3e1cccb4e50b445ed08d22f5de4e0c9c17eddf57;hpb=c07e9b0a3e65c28ca4154fec76a54a9a118fa7e1;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ygt.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ygt.ma
index 3e1cccb4e..b593d637d 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ygt.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ygt.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basic_2/notation/relations/btpredstarproper_6.ma".
 include "basic_2/dynamic/ysc.ma".
 include "basic_2/dynamic/yprs.ma".