- substitution lemma for native type assignmenr proved!

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / unfold / delift_delift.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_delift.ma b/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_delift.ma
index 753e88796c8ed9f6e54bc5cb1df5a24ad8c3103b..30fa2719330d2bf16d471a2f7ea3195d61464f0f 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_delift.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_delift.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basic_2/substitution/lift_lift.ma".
 include "basic_2/unfold/tpss_tpss.ma".
 include "basic_2/unfold/delift.ma".