(* Properties with syntactic equivalence on referred entries ****************)
-lemma lfeq_lfdeq_trans: â\88\80h,o,L1,L,T1. L1 â\89\90[T1] L →
+lemma lfeq_lfdeq_trans: â\88\80h,o,L1,L,T1. L1 â\89¡[T1] L →
∀G1,G2,L2,T2. ⦃G1, L, T1⦄ ≛[h, o] ⦃G2, L2, T2⦄ → ⦃G1, L1, T1⦄ ≛[h, o] ⦃G2, L2, T2⦄.
#h #o #L1 #L #T1 #HL1 #G1 #G2 #L2 #T2 #H
elim (ffdeq_inv_gen_sn … H) -H #H #HL2 #T12 destruct