-lemma fqup_cpx_trans_ntdeq: ∀h,o,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐+ ⦃G2, L2, T2⦄ →
- â\88\80U2. â¦\83G2, L2â¦\84 â\8a¢ T2 â¬\88[h] U2 â\86\92 (T2 â\89¡[h, o] U2 → ⊥) →
- â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â¬\88[h] U1 & T1 â\89¡[h, o] U1 â\86\92 â\8a¥ & â¦\83G1, L1, U1â¦\84 â\8a\90+ ⦃G2, L2, U2⦄.
-#h #o #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqup_ind_dx … H) -G1 -L1 -T1
-[ #G1 #L1 #T1 #H12 #U2 #HTU2 #H elim (fqu_cpx_trans_ntdeq … H12 … HTU2 H) -T2
+lemma fqup_cpx_trans_tdneq: ∀h,b,G1,G2,L1,L2,T1,T2. ⦃G1, L1, T1⦄ ⊐+[b] ⦃G2, L2, T2⦄ →
+ â\88\80U2. â¦\83G2, L2â¦\84 â\8a¢ T2 â¬\88[h] U2 â\86\92 (T2 â\89\9b U2 → ⊥) →
+ â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â¬\88[h] U1 & T1 â\89\9b U1 â\86\92 â\8a¥ & â¦\83G1, L1, U1â¦\84 â\8a\90+[b] ⦃G2, L2, U2⦄.
+#h #b #G1 #G2 #L1 #L2 #T1 #T2 #H @(fqup_ind_dx … H) -G1 -L1 -T1
+[ #G1 #L1 #T1 #H12 #U2 #HTU2 #H elim (fqu_cpx_trans_tdneq … H12 … HTU2 H) -T2