-lemma cnx_tdeq_trans: ∀h,o,G,L,T1. ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃T1⦄ →
- â\88\80T2. T1 â\89¡[h, o] T2 â\86\92 â¦\83G, Lâ¦\84 â\8a¢ â¬\88[h, o] 𝐍⦃T2⦄.
-#h #o #G #L #T1 #HT1 #T2 #HT12 #T #HT2
+lemma cnx_tdeq_trans: ∀h,G,L,T1. ⦃G,L⦄ ⊢ ⬈[h] 𝐍⦃T1⦄ →
+ â\88\80T2. T1 â\89\9b T2 â\86\92 â¦\83G,Lâ¦\84 â\8a¢ â¬\88[h] 𝐍⦃T2⦄.
+#h #G #L #T1 #HT1 #T2 #HT12 #T #HT2