matita/matita/contribs/lambdadelta/basic_2/rt_transition/lpr_drops.ma

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
   5 (*      ||T||                                                             *)
   6 (*      ||I||       Developers:                                           *)
   7 (*      ||T||         The HELM team.                                      *)
   8 (*      ||A||         http://helm.cs.unibo.it                             *)
   9 (*      \   /                                                             *)
  10 (*       \ /        This file is distributed under the terms of the       *)
  11 (*        v         GNU General Public License Version 2                  *)
  12 (*                                                                        *)
  13 (**************************************************************************)
  14
  15 include "static_2/relocation/drops_lex.ma".
  16 include "basic_2/rt_transition/cpm_drops.ma".
  17 include "basic_2/rt_transition/lpr.ma".
  18
  19 (* PARALLEL R-TRANSITION FOR FULL LOCAL ENVIRONMENTS ************************)
  20
  21 (* Properties with generic slicing for local environments *******************)
  22
  23 (* Basic_2A1: was: drop_lpr_trans *)
  24 lemma drops_lpr_trans (h) (G): dedropable_sn (λL. cpm h G L 0).
  25 /3 width=6 by lex_liftable_dedropable_sn, cpm_lifts_sn/ qed-.
  26
  27 (* Inversion lemmas with generic slicing for local environments *************)
  28
  29 (* Basic_1: includes: wcpr0_drop *)
  30 (* Basic_2A1: was: lpr_drop_conf *)
  31 lemma lpr_drops_conf (h) (G): dropable_sn (λL. cpm h G L 0).
  32 /2 width=3 by lex_dropable_sn/ qed-.
  33
  34 (* Basic_1: includes: wcpr0_drop_back *)
  35 (* Basic_2A1: was: lpr_drop_trans_O1 *)
  36 lemma lpr_drops_trans (h) (G): dropable_dx (λL. cpm h G L 0).
  37 /2 width=3 by lex_dropable_dx/ qed-.