(* NOTATION FOR THE FORMAL SYSTEM λδ ****************************************)
-notation "hvbox( â¦\83 term 46 G, break term 46 L1 â¦\84 ⊢ ➡*[ break term 46 h ] break term 46 L2 )"
+notation "hvbox( â\9dª term 46 G, break term 46 L1 â\9d« ⊢ ➡*[ break term 46 h ] break term 46 L2 )"
non associative with precedence 45
for @{ 'PRedSnStar $h $G $L1 $L2 }.