theory with syntax for lattice operations

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/HOL/Library/Lattice_Syntax.thy	Fri Mar 06 20:30:19 2009 +0100
@@ -0,0 +1,15 @@
+(* Author: Florian Haftmann, TU Muenchen *)
+
+header {* Pretty syntax for lattice operations *}
+
+theory Lattice_Syntax
+imports Set
+begin
+
+notation
+  inf  (infixl "\<sqinter>" 70) and
+  sup  (infixl "\<squnion>" 65) and
+  Inf  ("\<Sqinter>_" [900] 900) and
+  Sup  ("\<Squnion>_" [900] 900)
+
+end
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