ground_2 released and permanently renamed as ground

[helm.git] / matita / matita / contribs / lambdadelta / ground_2 / etc / lib / list2_append.etc

diff --git a/matita/matita/contribs/lambdadelta/ground_2/etc/lib/list2_append.etc b/matita/matita/contribs/lambdadelta/ground_2/etc/lib/list2_append.etc
deleted file mode 100644 (file)
index cf3b464..0000000
--- a/matita/matita/contribs/lambdadelta/ground_2/etc/lib/list2_append.etc
+++ /dev/null
@@ -1,26 +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                  *)
-(*                                                                        *)
-(**************************************************************************)
-
-include "ground_2/notation/functions/oplus_4.ma".
-include "ground_2/lib/list2.ma".
-
-(* LISTS OF PAIRS ***********************************************************)
-
-rec definition append2 A1 A2 (l1,l2:list2 A1 A2) on l1 ≝ match l1 with
-[ nil2           ⇒ l2
-| cons2 a1 a2 tl ⇒ {a1, a2} ⨮ append2 A1 A2 tl l2
-].
-
-interpretation "append (list of pairs)"
-   'OPlus A1 A2 l1 l2 = (append2 A1 A2 l1 l2).