X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Flib%2Fbasics%2Fcore_notation.ma;fp=matita%2Fmatita%2Flib%2Fbasics%2Fcore_notation.ma;h=703e748237562332aa73aaff8f8f9ad218cf0f3f;hb=bc477154d15f6979c948f9af602199af547d193e;hp=904adcd52f2fff140dd65eadb6e0945a219c4237;hpb=791b0dc201a023e772e4ba5c3da697c5ae271405;p=helm.git

diff --git a/matita/matita/lib/basics/core_notation.ma b/matita/matita/lib/basics/core_notation.ma
index 904adcd52..703e74823 100644
--- a/matita/matita/lib/basics/core_notation.ma
+++ b/matita/matita/lib/basics/core_notation.ma
@@ -316,3 +316,6 @@ notation "(⊩ \sub term 90 c) " with precedence 65 for @{'Vdash $c}.
 
 notation < "maction (mstyle color #ff0000 (­…­)) (t)" 
 non associative with precedence 90 for @{'hide $t}.
+
+notation "⊤" non associative with precedence 90 for @{'true}.
+notation "⊥" non associative with precedence 90 for @{'false}.