X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcore_notation.moo;h=9970c9cfb6d6d331dd4847490f399e6e197ca9fb;hb=79ce67a7a7502462e827de098b1056516092c0a7;hp=025a9899df5ec6058f6af934231d6c6da772d390;hpb=33f71ba86f8bbee8d5318b2cb3a96e890620aaba;p=helm.git

diff --git a/helm/software/matita/core_notation.moo b/helm/software/matita/core_notation.moo
index 025a9899d..9970c9cfb 100644
--- a/helm/software/matita/core_notation.moo
+++ b/helm/software/matita/core_notation.moo
@@ -201,13 +201,20 @@ notation "hvbox(a break \circ b)"
   left associative with precedence 55
 for @{ 'compose $a $b }.
 
-notation "↓a" with precedence 55 for @{ 'downarrow $a }.
+notation < "↓ \ensp a" with precedence 55 for @{ 'downarrow $a }.
+notation > "↓ a" with precedence 55 for @{ 'downarrow $a }.
 
 notation "hvbox(U break ↓ V)" non associative with precedence 55 for @{ 'fintersects $U $V }.
 
-notation "(a \sup b)" left associative with precedence 60 for @{ 'exp $a $b}.
-notation "s \sup (-1)" with precedence 60 for @{ 'invert $s }.
-notation < "s \sup (-1) x" with precedence 60 for @{ 'invert_appl $s $x}. 
+notation "↑a" with precedence 55 for @{ 'uparrow $a }.
+
+notation "hvbox(a break ↑ b)" with precedence 55 for @{ 'funion $a $b }.
+
+notation "a \sup term 89 b" with precedence 90 for @{ 'exp $a $b}.
+notation > "a ^ term 89 b"  with precedence 90 for @{ 'exp $a $b}.
+notation "s \sup (-1)" with precedence 90 for @{ 'invert $s }.
+notation > "s ^ (-1)" with precedence 90 for @{ 'invert $s }.
+notation < "s \sup (-1) x" with precedence 90 for @{ 'invert_appl $s $x}. 
 
 notation "hvbox(|term 90 C|)" with precedence 69 for @{ 'card $C }.