(* Properties with unbound rt-computation on full local environments ********)
(* Basic_2A1: uses: lpxs_fpbg *)
-lemma lpxs_rdneq_fpbg: ∀h,G,L1,L2,T. ⦃G,L1⦄ ⊢ ⬈*[h] L2 →
- (L1 â\89\9b[T] L2 â\86\92 â\8a¥) â\86\92 â¦\83G,L1,Tâ¦\84 >[h] â¦\83G,L2,Tâ¦\84.
+lemma lpxs_rneqx_fpbg: ∀h,G,L1,L2,T. ❪G,L1❫ ⊢ ⬈*[h] L2 →
+ (L1 â\89\9b[T] L2 â\86\92 â\8a¥) â\86\92 â\9dªG,L1,Tâ\9d« >[h] â\9dªG,L2,Tâ\9d«.
#h #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/
+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.