X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fnotation%2Frelations%2Fpredsn_4.ma;h=eb946aca896ccb13f40999af15e8e1d15b5883fc;hb=25c634037771dff0138e5e8e3d4378183ff49b86;hp=5912f1d405aac7df2b407abc2eb41e767959ea0a;hpb=05b047be6817f430c8c72fd9b0902df8bb9f579e;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/notation/relations/predsn_4.ma b/matita/matita/contribs/lambdadelta/basic_2/notation/relations/predsn_4.ma
index 5912f1d40..eb946aca8 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/notation/relations/predsn_4.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/notation/relations/predsn_4.ma
@@ -14,6 +14,6 @@
 
 (* NOTATION FOR THE FORMAL SYSTEM λδ ****************************************)
 
-notation "hvbox( ⦃ term 46 G, break term 46 L1 ⦄ ⊢ ➡[ break term 46 h ] break term 46 L2 )"
+notation "hvbox( ❪ term 46 G, break term 46 L1 ❫ ⊢ ➡[ break term 46 h ] break term 46 L2 )"
    non associative with precedence 45
    for @{ 'PRedSn $h $G $L1 $L2 }.