update in ground

[helm.git] / matita / matita / contribs / lambdadelta / ground / notation / relations / epsilon_3.ma

diff --git a/matita/matita/contribs/lambdadelta/ground/notation/relations/epsilon_3.ma b/matita/matita/contribs/lambdadelta/ground/notation/relations/epsilon_3.ma
new file mode 100644 (file)
index 0000000..2f5287d
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/ground/notation/relations/epsilon_3.ma
@@ -0,0 +1,29 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||M||                                                             *)
+(*      ||A||       A project by Andrea Asperti                           *)
+(*      ||T||                                                             *)
+(*      ||I||       Developers:                                           *)
+(*      ||T||         The HELM team.                                      *)
+(*      ||A||         http://helm.cs.unibo.it                             *)
+(*      \   /                                                             *)
+(*       \ /        This file is distributed under the terms of the       *)
+(*        v         GNU General Public License Version 2                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+(* NOTATION FOR DELAYED UPDATING ********************************************)
+
+(* GROUND NOTATION **********************************************************)
+
+notation < "hvbox( a ϵ break term 46 u )"
+  non associative with precedence 45
+  for @{ 'Epsilon $S $a $u }.
+
+notation > "hvbox( a ϵ break term 46 u )"
+  non associative with precedence 45
+  for @{ 'Epsilon ? $a $u }.
+
+notation > "hvbox( a ϵ{ break term 46 S } break term 46 u )"
+  non associative with precedence 45
+  for @{ 'Epsilon $S $a $u }.