(* NOTATION FOR THE FORMAL SYSTEM λδ ****************************************)
-notation "hvbox( ♯ { term 46 G, break term 46 L, break term 46 T } )"
+notation "hvbox( ♯❨ term 46 G, break term 46 L, break term 46 T ❩ )"
non associative with precedence 90
for @{ 'Weight $G $L $T }.