matita/matita/contribs/lambdadelta/basic_2/etc_2A1/fpbc/fpbs_fpbc.etc

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  14
  15 include "basic_2/reduction/fpbc.ma".
  16 include "basic_2/computation/fpbs_fleq.ma".
  17
  18 (* "QRST" PARALLEL COMPUTATION FOR CLOSURES *********************************)
  19
  20 (* Properties on "qrst" proper parallel reduction for closures **************)
  21
  22 lemma fpbc_fpbs: ∀h,g,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ≻≡[h, g] ⦃G2, L2, T2⦄ →
  23                  ⦃G1, L1, T1⦄ ≥[h, g] ⦃G2, L2, T2⦄.
  24 #h #g #G1 #G2 #L1 #L2 #T1 #T2 *
  25 /3 width=5 by fpbu_fwd_fpb, fpbs_strap2, fleq_fpbs/
  26 qed-.