added notation for: nleq, ngeq, nless, and ngtr

diff --git a/helm/matita/core_notation.moo b/helm/matita/core_notation.moo
index 38c1a4efa4c46cd65aa88b0345f905b1ab338b65..c528fc111d2041cb83761efa02697a33300b337f 100644 (file)
--- a/helm/matita/core_notation.moo
+++ b/helm/matita/core_notation.moo
@@ -30,6 +30,22 @@ notation "hvbox(a break \neq b)"
   non associative with precedence 45
 for @{ 'neq $a $b }.
 
+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 + b)" 
   left associative with precedence 50
 for @{ 'plus $a $b }.