-lemma cpxs_tdneq_inv_step_sn: â\88\80h,o,G,L,T1,T2. â¦\83G, Lâ¦\84 â\8a¢ T1 â¬\88*[h] T2 â\86\92 (T1 â\89¡[h, o] T2 → ⊥) →
- â\88\83â\88\83T,T0. â¦\83G, Lâ¦\84 â\8a¢ T1 â¬\88[h] T & T1 â\89¡[h, o] T â\86\92 â\8a¥ & â¦\83G, Lâ¦\84 â\8a¢ T â¬\88*[h] T0 & T0 â\89¡[h, o] T2.
+lemma cpxs_tdneq_inv_step_sn: â\88\80h,o,G,L,T1,T2. â¦\83G, Lâ¦\84 â\8a¢ T1 â¬\88*[h] T2 â\86\92 (T1 â\89\9b[h, o] T2 → ⊥) →
+ â\88\83â\88\83T,T0. â¦\83G, Lâ¦\84 â\8a¢ T1 â¬\88[h] T & T1 â\89\9b[h, o] T â\86\92 â\8a¥ & â¦\83G, Lâ¦\84 â\8a¢ T â¬\88*[h] T0 & T0 â\89\9b[h, o] T2.