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=2893e58e55fa3b73b80b0f5cbad0d8318b7994a2;hb=bd53c4e895203eb049e75434f638f26b5a161a2b;hp=71dcdc50aa5701cb2ef7ed0b01327e1ac687df53;hpb=222044da28742b24584549ba86b1805a87def070;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 71dcdc50a..2893e58e5 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 @@ -20,9 +20,9 @@ include "basic_2/rt_computation/fpbg.ma". (* Properties with unbound rt-computation on full local environments ********) (* Basic_2A1: uses: lpxs_fpbg *) -lemma lpxs_rdneq_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_rdneq_inv_step_sn … H … H0) -H -H0 -/4 width=7 by fpb_lpx, lpxs_fdeq_fpbs, fdeq_intro_sn, ex2_3_intro/ +lemma lpxs_rneqx_fpbg: ∀h,G,L1,L2,T. ❪G,L1❫ ⊢ ⬈*[h] L2 → + (L1 ≛[T] L2 → ⊥) → ❪G,L1,T❫ >[h] ❪G,L2,T❫. +#h #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.