-lemma cpxs_tneqx_fwd_step_sn: â\88\80h,G,L,T1,T2. â¦\83G,Lâ¦\84 ⊢ T1 ⬈*[h] T2 → (T1 ≛ T2 → ⊥) →
- â\88\83â\88\83T,T0. â¦\83G,Lâ¦\84 â\8a¢ T1 â¬\88[h] T & T1 â\89\9b T â\86\92 â\8a¥ & â¦\83G,Lâ¦\84 ⊢ T ⬈*[h] T0 & T0 ≛ T2.
+lemma cpxs_tneqx_fwd_step_sn: â\88\80h,G,L,T1,T2. â\9dªG,Lâ\9d« ⊢ T1 ⬈*[h] T2 → (T1 ≛ T2 → ⊥) →
+ â\88\83â\88\83T,T0. â\9dªG,Lâ\9d« â\8a¢ T1 â¬\88[h] T & T1 â\89\9b T â\86\92 â\8a¥ & â\9dªG,Lâ\9d« ⊢ T ⬈*[h] T0 & T0 ≛ T2.