(* Forward lemmas with length for local environments ************************)
-lemma fquq_fwd_length_lref1: â\88\80b,G1,G2,L1,L2,T2,i. â¦\83G1,L1,#iâ¦\84 â\8a\90⸮[b] â¦\83G2,L2,T2â¦\84 →
+lemma fquq_fwd_length_lref1: â\88\80b,G1,G2,L1,L2,T2,i. â\9d¨G1,L1,#iâ\9d© â¬\82⸮[b] â\9d¨G2,L2,T2â\9d© →
|L2| ≤ |L1|.
#b #G1 #G2 #L1 #L2 #T2 #i #H elim H -H [2: * ]
-/3 width=6 by fqu_fwd_length_lref1, lt_to_le/
+/3 width=6 by fqu_fwd_length_lref1, nlt_des_le/
qed-.