X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffpbg_lpxs.ma;h=1864df4b31c96adc0598052856056b2b4d46ea83;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hp=b33d67dea6bc488053cedebd8c1fcfd7fb84a3b1;hpb=a40dbe4ef22688b1e9d8b31a7f10150bfc28e111;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma index b33d67dea..1864df4b3 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg_lpxs.ma @@ -17,12 +17,13 @@ include "basic_2/rt_computation/fpbg.ma". (* PROPER PARALLEL RST-COMPUTATION FOR CLOSURES *****************************) -(* Properties with unbound rt-computation on full local environments ********) +(* Properties with extended rt-computation on full local environments *******) (* Basic_2A1: uses: lpxs_fpbg *) -lemma lpxs_lfdneq_fpbg: ∀h,o,G,L1,L2,T. ⦃G, L1⦄ ⊢ ⬈*[h] L2 → - (L1 ≛[h, o, T] L2 → ⊥) → ⦃G, L1, T⦄ >[h, o] ⦃G, L2, T⦄. -#h #o #G #L1 #L2 #T #H #H0 -elim (lpxs_lfdneq_inv_step_sn … H … H0) -H -H0 -/4 width=7 by fpb_lpx, lpxs_ffdeq_fpbs, ffdeq_intro_sn, ex2_3_intro/ +lemma lpxs_rneqx_fpbg: + ∀G,L1,L2,T. ❪G,L1❫ ⊢ ⬈* L2 → + (L1 ≛[T] L2 → ⊥) → ❪G,L1,T❫ > ❪G,L2,T❫. +#G #L1 #L2 #T #H #H0 +elim (lpxs_rneqx_inv_step_sn … H … H0) -H -H0 +/4 width=7 by fpb_lpx, lpxs_feqx_fpbs, feqx_intro_sn, ex2_3_intro/ qed.