update in ground_2 and basic_2 (partial commit)

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / lpr_drops.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_drops.ma
new file mode 100644 (file)
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+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_drops.ma
@@ -0,0 +1,37 @@
+(**************************************************************************)
+(*       ___                                                              *)
+(*      ||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 "basic_2/relocation/drops_lex.ma".
+include "basic_2/rt_transition/cpm_drops.ma".
+include "basic_2/rt_transition/lpr.ma".
+
+(* PARALLEL R-TRANSITION FOR FULL LOCAL ENVIRONMENTS ************************)
+
+(* Properties with generic slicing for local environments *******************)
+
+(* Basic_2A1: was: drop_lpr_trans *)
+lemma drops_lpr_trans (h) (G): dedropable_sn (λL. cpm h G L 0).
+/3 width=6 by lex_liftable_dedropable_sn, cpm_lifts_sn/ qed-.
+
+(* Inversion lemmas with generic slicing for local environments *************)
+
+(* Basic_1: includes: wcpr0_drop *)
+(* Basic_2A1: was: lpr_drop_conf *)
+lemma lpr_drops_conf (h) (G): dropable_sn (λL. cpm h G L 0).
+/2 width=3 by lex_dropable_sn/ qed-.
+
+(* Basic_1: includes: wcpr0_drop_back *)
+(* Basic_2A1: was: lpr_drop_trans_O1 *)
+lemma lpr_drops_trans (h) (G): dropable_dx (λL. cpm h G L 0).
+/2 width=3 by lex_dropable_dx/ qed-.