(* Properties with atomic arity assignment for terms ************************)
-lemma fpbs_aaa_conf: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ≥[h, o] ⦃G2, L2, T2⦄ →
- â\88\80A1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\81\9d A1 â\86\92 â\88\83A2. â¦\83G2, L2â¦\84 ⊢ T2 ⁝ A2.
-#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H @(fpbs_ind … H) -G2 -L2 -T2 /2 width=2 by ex_intro/
+lemma fpbs_aaa_conf: ∀h,G1,G2,L1,L2,T1,T2. ❪G1,L1,T1❫ ≥[h] ❪G2,L2,T2❫ →
+ â\88\80A1. â\9dªG1,L1â\9d« â\8a¢ T1 â\81\9d A1 â\86\92 â\88\83A2. â\9dªG2,L2â\9d« ⊢ T2 ⁝ A2.
+#h #G1 #G2 #L1 #L2 #T1 #T2 #H @(fpbs_ind … H) -G2 -L2 -T2 /2 width=2 by ex_intro/
#G #G2 #L #L2 #T #T2 #_ #H2 #IH1 #A #HA elim (IH1 … HA) -IH1 -A
/2 width=8 by fpbq_aaa_conf/
qed-.