X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffsb.ma;h=936fabecadf84c56f9c305a216e7b062f8283f46;hb=4173283e148199871d787c53c0301891deb90713;hp=925beb513f1e215a87a89e0676688f201cbbfd56;hpb=1fd62f1ce4f8209dec780d80aa53b140a8882ad7;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 925beb513..936fabeca 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb.ma @@ -12,35 +12,36 @@ (* *) (**************************************************************************) -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. ∀R: relation3 …. ( - ∀G1,L1,T1. ≥[h,o] 𝐒⦃G1, L1, T1⦄ → ( - ∀G2,L2,T2. ⦃G1, L1, T1⦄ ≻[h, o] ⦃G2, L2, T2⦄ → R G2 L2 T2 - ) → R G1 L1 T1 +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⦄ → R G L T. -#h #o #R #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-. -(* Basic_2A1: removed theorems 5: +(* Basic_2A1: removed theorems 6: fsba_intro fsba_ind_alt fsba_fpbs_trans fsb_fsba fsba_inv_fsb + aaa_fsba *)