X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_lpxs.ma;h=fdc989cbc4a44eec84597294166b015b68fddfdc;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hp=84086bcb6cd79b4a3b39921429a6bedb5d248bbe;hpb=db020b4218272e2e35641ce3bc3b0a9b3afda899;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_lpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_lpxs.ma index 84086bcb6..fdc989cbc 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_lpxs.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_lpxs.ma @@ -15,12 +15,12 @@ include "basic_2/rt_computation/csx_lpx.ma". include "basic_2/rt_computation/lpxs_lpx.ma". -(* CONTEXT-SENSITIVE EXTENDED STRONGLY NORMALIZING TERMS ********************) +(* STRONGLY NORMALIZING TERMS FOR EXTENDED PARALLEL RT-TRANSITION ***********) -(* Properties with unbound parallel rt-computation on all entries ***********) +(* Properties with extended parallel rt-computation on all entries **********) -lemma csx_lpxs_conf: ∀h,G,L1,L2,T. ⦃G,L1⦄ ⊢ ⬈*[h] L2 → - ⦃G,L1⦄ ⊢ ⬈*[h] 𝐒⦃T⦄ → ⦃G,L2⦄ ⊢ ⬈*[h] 𝐒⦃T⦄. -#h #G #L1 #L2 #T #H @(lpxs_ind_dx … H) -L2 +lemma csx_lpxs_conf (G) (L1): + ∀L2,T. ❪G,L1❫ ⊢ ⬈* L2 → ❪G,L1❫ ⊢ ⬈*𝐒 T → ❪G,L2❫ ⊢ ⬈*𝐒 T. +#G #L1 #L2 #T #H @(lpxs_ind_dx … H) -L2 /3 by lpxs_step_dx, csx_lpx_conf/ qed-.