X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fetc%2Fdelift%2Fthin.etc;h=f92cd543aced36917c76561f34c64819e4a7d8fe;hb=46a8a345410219548128c2533ce32b1a8eca6c06;hp=65fb76fe0dc7fe77bc8f4bf930d45fdee2f44d01;hpb=713673ecf863cb6187291f016ed4490b12a03ac0;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc/delift/thin.etc b/matita/matita/contribs/lambdadelta/basic_2/etc/delift/thin.etc
index 65fb76fe0..f92cd543a 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/etc/delift/thin.etc
+++ b/matita/matita/contribs/lambdadelta/basic_2/etc/delift/thin.etc
@@ -12,6 +12,10 @@
 (*                                                                        *)
 (**************************************************************************)
 
+notation "hvbox( ▼ * [ term 46 d , break term 46 e ] break term 46 T1 ≡ break term 46 T2 )"
+   non associative with precedence 45
+   for @{ 'TSubst $T1 $d $e $T2 }.
+
 include "basic_2/unfold/ltpss_sn.ma".
 
 (* BASIC LOCAL ENVIRONMENT THINNING *****************************************)