X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2A%2Fsubstitution%2Flpx_sn.ma;h=b88b3f8bac488afeb9ce35face4582d2beba8f47;hp=18adaacdf645b63414c4434f5f0111323f670d9c;hb=1fd63df4c77f5c24024769432ea8492748b4ac79;hpb=277fc8ff21ce3dbd6893b1994c55cf5c06a98355

diff --git a/matita/matita/contribs/lambdadelta/basic_2A/substitution/lpx_sn.ma b/matita/matita/contribs/lambdadelta/basic_2A/substitution/lpx_sn.ma
index 18adaacdf..b88b3f8ba 100644
--- a/matita/matita/contribs/lambdadelta/basic_2A/substitution/lpx_sn.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2A/substitution/lpx_sn.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "ground_2/xoa/ex_3_2.ma".
 include "basic_2A/grammar/lenv_length.ma".
 
 (* SN POINTWISE EXTENSION OF A CONTEXT-SENSITIVE REALTION FOR TERMS *********)