(* NOTATION FOR THE FORMAL SYSTEM λδ ****************************************)
-notation "hvbox( ⦃ term 46 G, break term 46 L ⦄ ⊢ break term 46 T1 ➡ * break [ term 46 h , break term 46 o ] break term 46 T2 )"
+notation "hvbox( ⦃ term 46 G, break term 46 L ⦄ ⊢ break term 46 T1 ➡ * [ break term 46 h , break term 46 o ] break term 46 T2 )"
non associative with precedence 45
for @{ 'PRedStar $h $o $G $L $T1 $T2 }.