matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpms_cpxs.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 "basic_2/rt_transition/cpm_cpx.ma".
  16 include "basic_2/rt_computation/cpxs.ma".
  17 include "basic_2/rt_computation/cpms.ma".
  18
  19 (* T-BOUND CONTEXT-SENSITIVE PARALLEL RT-COMPUTATION FOR TERMS **************)
  20
  21 (* Forward lemmas with extended context-sensitive rt-computation for terms **)
  22
  23 (* Basic_2A1: includes: scpds_fwd_cpxs cprs_cpxs *)
  24 lemma cpms_fwd_cpxs (h) (n) (G) (L):
  25       ∀T1,T2. ❨G,L❩ ⊢ T1 ➡*[h,n] T2 → ❨G,L❩ ⊢ T1 ⬈* T2.
  26 #h #n #G #L #T1 #T2 #H @(cpms_ind_dx … H) -T2
  27 /3 width=5 by cpxs_strap1, cpm_fwd_cpx/
  28 qed-.