lambdadelta

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / dynamic / ysc.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma
index d779eb15fd24f625258663d05910c41b90caa0aa..87ca83fb146376df0950ac36fb6185ee062ef6bb 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/dynamic/ysc.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basic_2/notation/relations/btpredproper_6.ma".
 include "basic_2/dynamic/ypr.ma".
 
 (* "BIG TREE" PROPER PARALLEL REDUCTION FOR CLOSURES ************************)