matita/matita/contribs/lambdadelta/basic_2/rt_computation/cprs_lpr.ma

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
   5 (*      ||T||                                                             *)
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  10 (*       \ /        This file is distributed under the terms of the       *)
  11 (*        v         GNU General Public License Version 2                  *)
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  13 (**************************************************************************)
  14
  15 include "basic_2/rt_computation/cpms_lpr.ma".
  16 include "basic_2/rt_computation/cprs_ctc.ma".
  17
  18 (* CONTEXT-SENSITIVE PARALLEL R-COMPUTATION FOR TERMS ***********************)
  19
  20 (* Properties concerning sn parallel reduction on local environments ********)
  21
  22 (* Basic_1: uses: pr3_pr2_pr2_t *)
  23 (* Basic_1: includes: pr3_pr0_pr2_t *)
  24 lemma lpr_cpr_trans (h) (G): s_r_transitive … (λL. cpm h G L 0) (λ_. lpr h G).
  25 /3 width=4 by cprs_inv_CTC, lpr_cpm_trans, ltc_inv_CTC/
  26 qed-.
  27
  28 (* Basic_1: uses: pr3_pr2_pr3_t pr3_wcpr0_t *)
  29 lemma lpr_cprs_trans (h) (G): s_rs_transitive … (λL. cpm h G L 0) (λ_. lpr h G).
  30 #h #G @s_r_trans_CTC1 /2 width=3 by lpr_cpr_trans/ (**) (* full auto fails *)
  31 qed-.