+notation "hvbox(a break \nleq b)"
+ non associative with precedence 45
+for @{ 'nleq $a $b }.
+
+notation "hvbox(a break \ngeq b)"
+ non associative with precedence 45
+for @{ 'ngeq $a $b }.
+
+notation "hvbox(a break \nless b)"
+ non associative with precedence 45
+for @{ 'nless $a $b }.
+
+notation "hvbox(a break \ngtr b)"
+ non associative with precedence 45
+for @{ 'ngtr $a $b }.
+
+notation "hvbox(a break \divides b)"
+ non associative with precedence 45
+for @{ 'divides $a $b }.
+
+notation "hvbox(a break \ndivides b)"
+ non associative with precedence 45
+for @{ 'ndivides $a $b }.
+