X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Fnotation%2Frelations%2Frat_3.ma;h=007b7f1a4445ce2a909f7a60c87761d3227bb78e;hp=810640101a3ca0d65de16c61d2a8e3f1f781a507;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hpb=3b7b8afcb429a60d716d5226a5b6ab0d003228b1

diff --git a/matita/matita/contribs/lambdadelta/ground_2/notation/relations/rat_3.ma b/matita/matita/contribs/lambdadelta/ground_2/notation/relations/rat_3.ma
index 810640101..007b7f1a4 100644
--- a/matita/matita/contribs/lambdadelta/ground_2/notation/relations/rat_3.ma
+++ b/matita/matita/contribs/lambdadelta/ground_2/notation/relations/rat_3.ma
@@ -14,6 +14,6 @@
 
 (* GENERAL NOTATION USED BY THE FORMAL SYSTEM λδ ****************************)
 
-notation "hvbox( @ ⦃ term 46 T1 , break term 46 f ⦄ ≘ break term 46 T2 )"
+notation "hvbox( @❪ term 46 T1 , break term 46 f ❫ ≘ break term 46 T2 )"
    non associative with precedence 45
    for @{ 'RAt $T1 $f $T2 }.