X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_transition%2Ffpb.ma;h=a648ae0e91349761ad3fad64b1048db818fbf18b;hp=3e31edb7e2d1832059e8b87b6b4c86643a74e62e;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hpb=2f6f2b7c01d47d23f61dd48d767bcb37aecdcfea 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 3e31edb7e..a648ae0e9 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/predsubtyproper_7.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) (G1) (L1) (T1): relation3 genv lenv term ≝ -| fpb_fqu: ∀G2,L2,T2. ❪G1,L1,T1❫ ⬂ ❪G2,L2,T2❫ → fpb h G1 L1 T1 G2 L2 T2 -| fpb_cpx: ∀T2. ❪G1,L1❫ ⊢ T1 ⬈[h] T2 → (T1 ≛ T2 → ⊥) → fpb h G1 L1 T1 G1 L1 T2 -| fpb_lpx: ∀L2. ❪G1,L1❫ ⊢ ⬈[h] L2 → (L1 ≛[T1] L2 → ⊥) → fpb h 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)" - 'PRedSubTyProper h G1 L1 T1 G2 L2 T2 = (fpb h 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 (h) (n) (G) (L): ∀T1,T2. ❪G,L❫ ⊢ T1 ➡[h,n] T2 → (T1 ≛ T2 → ⊥) → - ❪G,L,T1❫ ≻[h] ❪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) (G) (T): ∀L1,L2. ❪G,L1❫ ⊢ ➡[h,0] L2 → (L1 ≛[T] L2 → ⊥) → - ❪G,L1,T❫ ≻[h] ❪G,L2,T❫. -/3 width=1 by fpb_lpx, lpr_fwd_lpx/ 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.