-lemma lfeq_inv_bind: â\88\80p,I,L1,L2,V,T. L1 â\89¡[ⓑ{p,I}V.T] L2 →
- â\88§â\88§ L1 â\89¡[V] L2 & L1.â\93\91{I}V â\89¡[T] L2.ⓑ{I}V.
+lemma lfeq_inv_bind: â\88\80p,I,L1,L2,V,T. L1 â\89\90[ⓑ{p,I}V.T] L2 →
+ â\88§â\88§ L1 â\89\90[V] L2 & L1.â\93\91{I}V â\89\90[T] L2.ⓑ{I}V.