X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcore_notation.moo;h=1c1e59cb3aca43ed25f139b90b63df337f5c34d0;hb=9ead65f0b6b17fc8f01ffcb977c3c252594724a9;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..1c1e59cb3 100644
--- a/helm/software/matita/core_notation.moo
+++ b/helm/software/matita/core_notation.moo
@@ -205,6 +205,10 @@ 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 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}.