matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpre_cpms.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_cpms.ma".
  16 include "basic_2/rt_computation/cpre.ma".
  17
  18 (* EVALUATION FOR CONTEXT-SENSITIVE PARALLEL R-TRANSITION ON TERMS **********)
  19
  20 (* Properties with t-bound rt-computarion on terms **************************)
  21
  22 lemma cpms_cpre_trans (h) (n) (G) (L):
  23       ∀T1,T0. ⦃G,L⦄ ⊢T1 ➡*[n,h] T0 →
  24       ∀T2. ⦃G,L⦄ ⊢ T0 ➡*[h] 𝐍⦃T2⦄ → ⦃G,L⦄ ⊢ T1 ➡*[h,n] 𝐍⦃T2⦄.
  25 #h #n #G #L #T1 #T0 #HT10 #T2 * #HT02 #HT2
  26 /3 width=3 by cpms_cprs_trans, conj/
  27 qed-.