X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Fsteps%2Frtc.ma;h=151e6e5a1dcc21395cb813def4bc2fa15a449efc;hb=d8d00d6f6694155be5be486a8239f5953efe28b7;hp=482a6da39ed2684266e34d1f3f16fecc878e0bd6;hpb=f308429a0fde273605a2330efc63268b4ac36c99;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground_2/steps/rtc.ma b/matita/matita/contribs/lambdadelta/ground_2/steps/rtc.ma
index 482a6da39..151e6e5a1 100644
--- a/matita/matita/contribs/lambdadelta/ground_2/steps/rtc.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/steps/rtc.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "ground_2/xoa/ex_1_2.ma".
 include "ground_2/notation/functions/tuple_4.ma".
 include "ground_2/notation/functions/zerozero_0.ma".
 include "ground_2/notation/functions/zeroone_0.ma".