-lemma aaa_teqx_conf_reqx: â\88\80G,L1,T1,A. â¦\83G,L1â¦\84 ⊢ T1 ⁝ A → ∀T2. T1 ≛ T2 →
- â\88\80L2. L1 â\89\9b[T1] L2 â\86\92 â¦\83G,L2â¦\84 ⊢ T2 ⁝ A.
+lemma aaa_teqx_conf_reqx: â\88\80G,L1,T1,A. â\9dªG,L1â\9d« ⊢ T1 ⁝ A → ∀T2. T1 ≛ T2 →
+ â\88\80L2. L1 â\89\9b[T1] L2 â\86\92 â\9dªG,L2â\9d« ⊢ T2 ⁝ A.