milestone update in ground_2 and basic_2A

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / etc_2A1 / cpr / ltprs_alt.etc

diff --git a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/cpr/ltprs_alt.etc b/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/cpr/ltprs_alt.etc
deleted file mode 100644 (file)
index 1d2db2d..0000000
--- a/matita/matita/contribs/lambdadelta/basic_2/etc_2A1/cpr/ltprs_alt.etc
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-(**************************************************************************)
-(*       ___                                                              *)
-(*      ||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 "hvbox( T1 ➡ ➡ * break term 46 T2 )"
-   non associative with precedence 45
-   for @{ 'PRedStarAlt $T1 $T2 }.
-
-include "basic_2/computation/ltprs.ma".
-
-(* CONTEXT-FREE PARALLEL COMPUTATION ON LOCAL ENVIRONMENTS ******************)
-
-(* alternative definition of ltprs *)
-definition ltprsa: relation lenv ≝ lpx tprs.
-
-interpretation
-  "context-free parallel computation (environment) alternative"
-  'PRedStarAlt L1 L2 = (ltprsa L1 L2).
-
-(* Basic properties *********************************************************)
-
-lemma ltprs_ltprsa: ∀L1,L2. L1 ➡* L2 → L1 ➡➡* L2.
-/2 width=1/ qed.
-
-(* Basic inversion lemmas ***************************************************)
-
-lemma ltprsa_ltprs: ∀L1,L2. L1 ➡➡* L2 → L1 ➡* L2.
-/2 width=1/ qed-.