X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Fnotation%2Fconstructors%2Fdiamond_0.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Fnotation%2Fconstructors%2Fdiamond_0.ma;h=4f218dd6148795da24d17e51557a497a856dcb7c;hb=3c8da07d7a5d7cf0432a83732a6d103f527afaef;hp=0000000000000000000000000000000000000000;hpb=2976c347e18717e691825ebdf73a5ce941c57d1b;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/ground_2/notation/constructors/diamond_0.ma b/matita/matita/contribs/lambdadelta/ground_2/notation/constructors/diamond_0.ma
new file mode 100644
index 000000000..4f218dd61
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/ground_2/notation/constructors/diamond_0.ma
@@ -0,0 +1,19 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||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                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+(* GENERAL NOTATION USED BY THE FORMAL SYSTEM λδ ****************************)
+
+notation "◊"
+  non associative with precedence 55
+  for @{ 'Diamond }.