X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fhott%2Fnotations.ma;h=09a8c37cc7dcd9cb69118b69ccf2b047368e9eec;hb=dbc57c92512c04b3fd88f8289bb8dbe99b2f90e0;hp=71d41f73b061d0ef3f982298a0777c5f025cfde8;hpb=b5cb5cc7230870f757aadbe6b43ee146fe485a6d;p=helm.git

diff --git a/matita/matita/lib/hott/notations.ma b/matita/matita/lib/hott/notations.ma
index 71d41f73b..09a8c37cc 100644
--- a/matita/matita/lib/hott/notations.ma
+++ b/matita/matita/lib/hott/notations.ma
@@ -135,9 +135,6 @@ for @{ 'equiv $n $m }.
 (*
 (* other notations **********************************************************)
 
-notation "hvbox(\langle term 19 a, break term 19 b\rangle)" 
-with precedence 90 for @{ 'pair $a $b}.
-
 notation "hvbox(x break \times y)" with precedence 70
 for @{ 'product $x $y}.
 
@@ -297,15 +294,6 @@ notation "hvbox(a break \approx b)" non associative with precedence 45
 notation "hvbox(a break # b)" non associative with precedence 45 
   for @{ 'apart $a $b}.
 
-notation < "↓ \ensp a" with precedence 60 for @{ 'downarrow $a }.
-notation > "↓ a" with precedence 60 for @{ 'downarrow $a }.
-
-notation "hvbox(U break ↓ V)" non associative with precedence 60 for @{ 'fintersects $U $V }.
-
-notation "↑a" with precedence 60 for @{ 'uparrow $a }.
-
-notation "hvbox(a break ↑ b)" with precedence 60 for @{ 'funion $a $b }.
-
 notation < "term 76 a \sup term 90 b" non associative with precedence 75 for @{ 'exp $a $b}.
 notation > "a \sup term 90 b" non associative with precedence 75 for @{ 'exp $a $b}.
 notation > "a ^ term 90 b"  non associative with precedence 75 for @{ 'exp $a $b}.