X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2A%2Fmultiple%2Fllpx_sn_lpx_sn.ma;h=235b9c548e7702773fa2c09f2d23d158dbe04a4b;hp=870315f66eb832527f0a687cddea618956d70a0f;hb=1fd63df4c77f5c24024769432ea8492748b4ac79;hpb=277fc8ff21ce3dbd6893b1994c55cf5c06a98355

diff --git a/matita/matita/contribs/lambdadelta/basic_2A/multiple/llpx_sn_lpx_sn.ma b/matita/matita/contribs/lambdadelta/basic_2A/multiple/llpx_sn_lpx_sn.ma
index 870315f66..235b9c548 100644
--- a/matita/matita/contribs/lambdadelta/basic_2A/multiple/llpx_sn_lpx_sn.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2A/multiple/llpx_sn_lpx_sn.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "ground_2/lib/arith_2a.ma".
 include "basic_2A/substitution/lpx_sn_drop.ma".
 include "basic_2A/multiple/llpx_sn.ma".