X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Ffpb.ma;h=f210e63a186a92f7ea0ba5a2b2186f0c49f87a1a;hb=b118146b97959e6a6dde18fdd014b8e1e676a2d1;hp=f0e7362b225704f5db6dc24b3b4da5edb9900ba9;hpb=a9e994f4ca8e04743c53ed8cb057ee5dae80c8f9;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb.ma index f0e7362b2..f210e63a1 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/fpb.ma @@ -12,30 +12,30 @@ (* *) (**************************************************************************) -include "basic_2/notation/relations/btpredproper_8.ma". -include "basic_2/s_transition/fqu.ma". -include "basic_2/static/lfdeq.ma". -include "basic_2/rt_transition/lfpr_lfpx.ma". +include "basic_2/notation/relations/predsubtyproper_6.ma". +include "static_2/s_transition/fqu.ma". +include "static_2/static/reqx.ma". +include "basic_2/rt_transition/lpr_lpx.ma". (* PROPER PARALLEL RST-TRANSITION FOR CLOSURES ******************************) -inductive fpb (h) (o) (G1) (L1) (T1): relation3 genv lenv term ≝ -| fpb_fqu: ∀G2,L2,T2. ⦃G1, L1, T1⦄ ⊐ ⦃G2, L2, T2⦄ → fpb h o G1 L1 T1 G2 L2 T2 -| fpb_cpx: ∀T2. ⦃G1, L1⦄ ⊢ T1 ⬈[h] T2 → (T1 ≡[h, o] T2 → ⊥) → fpb h o G1 L1 T1 G1 L1 T2 -| fpb_lpx: ∀L2. ⦃G1, L1⦄ ⊢ ⬈[h, T1] L2 → (L1 ≡[h, o, T1] L2 → ⊥) → fpb h o G1 L1 T1 G1 L2 T1 +inductive fpb (G1) (L1) (T1): relation3 genv lenv term ≝ +| fpb_fqu: ∀G2,L2,T2. ❪G1,L1,T1❫ ⬂ ❪G2,L2,T2❫ → fpb G1 L1 T1 G2 L2 T2 +| fpb_cpx: ∀T2. ❪G1,L1❫ ⊢ T1 ⬈ T2 → (T1 ≅ T2 → ⊥) → fpb G1 L1 T1 G1 L1 T2 +| fpb_lpx: ∀L2. ❪G1,L1❫ ⊢ ⬈ L2 → (L1 ≅[T1] L2 → ⊥) → fpb G1 L1 T1 G1 L2 T1 . interpretation - "proper parallel rst-transition (closure)" - 'BTPRedProper h o G1 L1 T1 G2 L2 T2 = (fpb h o G1 L1 T1 G2 L2 T2). + "proper parallel rst-transition (closure)" + 'PRedSubTyProper G1 L1 T1 G2 L2 T2 = (fpb G1 L1 T1 G2 L2 T2). (* Basic properties *********************************************************) (* Basic_2A1: includes: cpr_fpb *) -lemma cpm_fpb: ∀n,h,o,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ➡[n, h] T2 → (T1 ≡[h, o] T2 → ⊥) → - ⦃G, L, T1⦄ ≻[h, o] ⦃G, L, T2⦄. -/3 width=2 by fpb_cpx, cpm_fwd_cpx/ qed. +lemma cpm_fpb (h) (n) (G) (L): + ∀T1,T2. ❪G,L❫ ⊢ T1 ➡[h,n] T2 → (T1 ≅ T2 → ⊥) → ❪G,L,T1❫ ≻ ❪G,L,T2❫. +/3 width=3 by fpb_cpx, cpm_fwd_cpx/ qed. -lemma lpr_fpb: ∀h,o,G,L1,L2,T. ⦃G, L1⦄ ⊢ ➡[h, T] L2 → (L1 ≡[h, o, T] L2 → ⊥) → - ⦃G, L1, T⦄ ≻[h, o] ⦃G, L2, T⦄. -/3 width=1 by fpb_lpx, lfpr_fwd_lfpx/ qed. +lemma lpr_fpb (h) (G) (T): + ∀L1,L2. ❪G,L1❫ ⊢ ➡[h,0] L2 → (L1 ≅[T] L2 → ⊥) → ❪G,L1,T❫ ≻ ❪G,L2,T❫. +/3 width=2 by fpb_lpx, lpr_fwd_lpx/ qed.