(* NOTATION FOR THE FORMAL SYSTEM λδ ****************************************)
-notation "hvbox( â¬\86[ term 46 m, break term 46 n ] break term 46 T1 ≘ break term 46 T2 )"
+notation "hvbox( â\87§[ term 46 m, break term 46 n ] break term 46 T1 ≘ break term 46 T2 )"
non associative with precedence 45
for @{ 'RLift $m $n $T1 $T2 }.