update in ground_2, static_2, basic_2

[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / steps / rtc.ma

diff --git a/matita/matita/contribs/lambdadelta/ground_2/steps/rtc.ma b/matita/matita/contribs/lambdadelta/ground_2/steps/rtc.ma
index 482a6da39ed2684266e34d1f3f16fecc878e0bd6..151e6e5a1dcc21395cb813def4bc2fa15a449efc 100644 (file)
--- 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".