-lemma aaa_inv_lift: â\88\80G,L2,T2,A. â¦\83G, L2â¦\84 â\8a¢ T2 â\81\9d A â\86\92 â\88\80L1,s,d,e. â\87©[s, d, e] L2 ≡ L1 →
- â\88\80T1. â\87§[d, e] T1 ≡ T2 → ⦃G, L1⦄ ⊢ T1 ⁝ A.
+lemma aaa_inv_lift: â\88\80G,L2,T2,A. â¦\83G, L2â¦\84 â\8a¢ T2 â\81\9d A â\86\92 â\88\80L1,s,d,e. â¬\87[s, d, e] L2 ≡ L1 →
+ â\88\80T1. â¬\86[d, e] T1 ≡ T2 → ⦃G, L1⦄ ⊢ T1 ⁝ A.