(* 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 n ] 𝐍❪ break term 46 T2 ❫ )"
+notation "hvbox( ❪ term 46 G, break term 46 L ❫ ⊢ break term 46 T1 ➡*𝐍[ break term 46 h, break term 46 n ] break term 46 T2 )"
non associative with precedence 45
for @{ 'PRedEval $h $n $G $L $T1 $T2 }.