-(* Note: a proof based on fqu_cpx_trans_ntdeq might exist *)
-lemma fqu_cpxs_trans_ntdeq: ∀h,o,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¡[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 → ⊥ & ⦃G1, L1, U1⦄ ⊐[b] ⦃G2, L2, U2⦄.
+(* Note: a proof based on fqu_cpx_trans_tdneq might exist *)
+lemma fqu_cpxs_trans_tdneq: ∀h,o,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[h, o] U2 → ⊥) →
+ â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â¬\88*[h] U1 & T1 â\89\9b[h, o] U1 → ⊥ & ⦃G1, L1, U1⦄ ⊐[b] ⦃G2, L2, U2⦄.