+(**************************************************************************)
+(* ___ *)
+(* ||M|| *)
+(* ||A|| A project by Andrea Asperti *)
+(* ||T|| *)
+(* ||I|| Developers: *)
+(* ||T|| The HELM team. *)
+(* ||A|| http://helm.cs.unibo.it *)
+(* \ / *)
+(* \ / This file is distributed under the terms of the *)
+(* v GNU General Public License Version 2 *)
+(* *)
+(**************************************************************************)
+
+(* NOTATION FOR DELAYED UPDATING ********************************************)
+
+notation < "hvbox( ▼❨ term 46 k, break term 46 p, break term 46 f ❩ )"
+ non associative with precedence 70
+ for @{ 'BlackDownTriangle $S $k $p $f }.
+
+notation > "hvbox( ▼❨ term 46 k, break term 46 p, break term 46 f ❩ )"
+ non associative with precedence 70
+ for @{ 'BlackDownTriangle ? $k $p $f }.
+
+notation > "hvbox( ▼{ term 46 S }❨ break term 46 k, break term 46 p, break term 46 f ❩ )"
+ non associative with precedence 70
+ for @{ 'BlackDownTriangle $S $k $p $f }.