X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcore_notation.moo;h=9970c9cfb6d6d331dd4847490f399e6e197ca9fb;hb=7048db496643fc440aebc6e85dd425886bcd2e56;hp=cceee24124153d236671b761b466f5af791afaa3;hpb=7fad6f9727bb6f054c0198cf10354be4b355baef;p=helm.git

diff --git a/helm/software/matita/core_notation.moo b/helm/software/matita/core_notation.moo
index cceee2412..9970c9cfb 100644
--- a/helm/software/matita/core_notation.moo
+++ b/helm/software/matita/core_notation.moo
@@ -201,9 +201,20 @@ notation "hvbox(a break \circ b)"
   left associative with precedence 55
 for @{ 'compose $a $b }.
 
-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 < "↓ \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" 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 }.