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

   1 (**************************************************************************)
   2 (*       ___                                                              *)
   3 (*      ||M||                                                             *)
   4 (*      ||A||       A project by Andrea Asperti                           *)
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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/csx_fpb.ma".
  16 include "basic_2/rt_computation/fpbs_fqup.ma".
  17
  18 (* PARALLEL RST-COMPUTATION FOR CLOSURES ************************************)
  19
  20 (* Properties with sn for extended parallel rt-transition for terms *********)
  21
  22 (* Basic_2A1: was: csx_fpbs_conf *)
  23 lemma fpbs_csx_conf:
  24       ∀G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*𝐒 T1 →
  25       ∀G2,L2,T2. ❪G1,L1,T1❫ ≥ ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*𝐒 T2.
  26 #G1 #L1 #T1 #HT1 #G2 #L2 #T2 #H @(fpbs_ind … H) -G2 -L2 -T2
  27 /2 width=5 by csx_fpb_conf/
  28 qed-.