-lemma liftsv_split_trans: â\88\80f,T1s,T2s. â¬\86*[f] T1s â\89¡ T2s →
- â\88\80f1,f2. f2 â\8a\9a f1 â\89¡ f →
- â\88\83â\88\83Ts. â¬\86*[f1] T1s â\89¡ Ts & â¬\86*[f2] Ts â\89¡ T2s.
+lemma liftsv_split_trans: â\88\80f,T1s,T2s. â¬\86*[f] T1s â\89\98 T2s →
+ â\88\80f1,f2. f2 â\8a\9a f1 â\89\98 f →
+ â\88\83â\88\83Ts. â¬\86*[f1] T1s â\89\98 Ts & â¬\86*[f2] Ts â\89\98 T2s.