- elim (lsuba_inv_pair2 … H) -H * /3 width=1 by aaa_zero/
- #L0 #V0 #A0 #HV0 #HV #HL02 #H1 #H2 destruct
- lapply (aaa_mono … HV … HA) #H destruct -L2 /2 width=1 by aaa_zero/
-| #I #G #K2 #V #A #i #_ #IH #L1 #H
- elim (lsuba_inv_pair2 … H) -H * /3 width=1 by aaa_lref/
-| /4 width=2 by lsuba_pair, aaa_abbr/
-| /4 width=1 by lsuba_pair, aaa_abst/
+ elim (lsuba_inv_bind2 … H) -H * /3 width=1 by aaa_zero/
+ #L0 #V0 #W0 #A0 #HV0 #HW0 #HL02 #H1 #H2 destruct
+ lapply (aaa_mono … HW0 … HA) #H destruct -L2 /2 width=1 by aaa_zero/
+| #I #G #K2 #A #i #_ #IH #L1 #H
+ elim (lsuba_inv_bind2 … H) -H * /3 width=1 by aaa_lref/
+| /4 width=2 by lsuba_bind, aaa_abbr/
+| /4 width=1 by lsuba_bind, aaa_abst/