matita/matita/contribs/lambdadelta/basic_2/reduction/fpb_lift.ma

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   3 (*      ||M||                                                             *)
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  14
  15 include "basic_2/reduction/cpx_lift.ma".
  16 include "basic_2/reduction/fpb.ma".
  17
  18 (* "BIG TREE" PARALLEL REDUCTION FOR CLOSURES *******************************)
  19
  20 (* Advanced properties ******************************************************)
  21
  22 lemma ssta_fpb: ∀h,g,G,L,T1,T2,l.
  23                 ⦃G, L⦄ ⊢ T1 ▪[h, g] l+1 → ⦃G, L⦄ ⊢ T1 •[h, g] T2 →
  24                 ⦃G, L, T1⦄ ≽[h, g] ⦃G, L, T2⦄.
  25 /3 width=5 by fpb_cpx, ssta_cpx/ qed.