- induction on supclosure replaces induction on weight for closures everywhere

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / unfold / unfold.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma b/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma
index 4235f281ee1a65a48a1189db9625f3823c88e836..42af90e61346602df09d59bf62dd503c8ef3cf53 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/unfold/unfold.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basic_2/grammar/lenv_append.ma".
 include "basic_2/relocation/ldrop.ma".
 
 (* CONTEXT-SENSITIVE UNFOLD FOR TERMS ***************************************)