X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffsb.ma;h=919b91f610ef2cf4279b203f42573518f6560771;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=8ae6b26e8b8e44ca793715dd43375c2b295d316b;hpb=5c186c72f508da0849058afeecc6877cd9ed6303;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb.ma index 8ae6b26e8..919b91f61 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb.ma @@ -12,32 +12,32 @@ (* *) (**************************************************************************) -include "basic_2/notation/relations/predsubtystrong_5.ma". +include "basic_2/notation/relations/predsubtystrong_4.ma". include "basic_2/rt_transition/fpb.ma". (* STRONGLY NORMALIZING CLOSURES FOR PARALLEL RST-TRANSITION ****************) -inductive fsb (h) (o): relation3 genv lenv term ≝ +inductive fsb (h): relation3 genv lenv term ≝ | fsb_intro: ∀G1,L1,T1. ( - ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≻[h, o] ⦃G2, L2, T2⦄ → fsb h o G2 L2 T2 - ) → fsb h o G1 L1 T1 + ∀G2,L2,T2. ❪G1,L1,T1❫ ≻[h] ❪G2,L2,T2❫ → fsb h G2 L2 T2 + ) → fsb h G1 L1 T1 . interpretation "strong normalization for parallel rst-transition (closure)" - 'PRedSubTyStrong h o G L T = (fsb h o G L T). + 'PRedSubTyStrong h G L T = (fsb h G L T). (* Basic eliminators ********************************************************) (* Note: eliminator with shorter ground hypothesis *) (* Note: to be named fsb_ind when fsb becomes a definition like csx, lfsx ***) -lemma fsb_ind_alt: ∀h,o. ∀Q: relation3 …. ( - ∀G1,L1,T1. ≥[h,o] 𝐒⦃G1, L1, T1⦄ → ( - ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≻[h, o] ⦃G2, L2, T2⦄ → Q G2 L2 T2 +lemma fsb_ind_alt: ∀h. ∀Q: relation3 …. ( + ∀G1,L1,T1. ≥[h] 𝐒❪G1,L1,T1❫ → ( + ∀G2,L2,T2. ❪G1,L1,T1❫ ≻[h] ❪G2,L2,T2❫ → Q G2 L2 T2 ) → Q G1 L1 T1 ) → - ∀G,L,T. ≥[h, o] 𝐒⦃G, L, T⦄ → Q G L T. -#h #o #Q #IH #G #L #T #H elim H -G -L -T + ∀G,L,T. ≥[h] 𝐒❪G,L,T❫ → Q G L T. +#h #Q #IH #G #L #T #H elim H -G -L -T /4 width=1 by fsb_intro/ qed-.