X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Falpha_1%2Fgrammar%2Fitem.ma;fp=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Falpha_1%2Fgrammar%2Fitem.ma;h=0000000000000000000000000000000000000000;hb=09b4420070d6a71990e16211e499b51dbb0742cb;hp=01a767223f86ac628f35923be293a187df5e0914;hpb=bba53a83579540bc3925d47d679e2aad22e85755;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/alpha_1/grammar/item.ma b/matita/matita/contribs/lambdadelta/alpha_1/grammar/item.ma
deleted file mode 100644
index 01a767223..000000000
--- a/matita/matita/contribs/lambdadelta/alpha_1/grammar/item.ma
+++ /dev/null
@@ -1,38 +0,0 @@
-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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                  *)
-(*                                                                        *)
-(**************************************************************************)
-
-(* THE FORMAL SYSTEM α: MATITA SOURCE FILES
- * Initial invocation : - Patience on me to gain peace and perfection! -
- * Developed since    : 2014 July 25
- *)
-
-include "ground_2/lib/bool.ma".
-include "ground_2/lib/arith.ma".
-
-(* ITEMS ********************************************************************)
-
-(* unary items *)
-inductive item1: Type[0] ≝
-   | Char: nat → item1 (* character: starting at 0 *)
-   | LRef: nat → item1 (* reference by index: starting at 0 *)
-   | GRef: nat → item1 (* reference by position: starting at 0 *)
-   | Decl:       item1 (* global abstraction *)
-.
-
-(* binary items *)
-inductive item2: Type[0] ≝
-   | Abst:        item2 (* local abstraction *)
-   | Abbr: bool → item2 (* local (Ⓣ) or global (Ⓕ) abbreviation *)
-   | Proj: bool → item2 (* local (Ⓣ) or global (Ⓕ) projection *)
-.