(* NOTATION FOR THE FORMAL SYSTEM λδ ****************************************)
-notation "hvbox( L1 ≛ [ break term 46 T ] break term 46 L2 )"
+notation "hvbox( L1 ≛[ break term 46 T ] break term 46 L2 )"
non associative with precedence 45
for @{ 'StarEqSn $T $L1 $L2 }.