lapply (IHV1 … HV12 … HL12) -IHV1 -HV12 #HV2
lapply (IHT1 (ⓛ{b}W2.U2) … HL12) -IHT1 /2 width=1 by cpx_bind/ -L1 #H
elim (aaa_inv_abst … H) -H #B0 #A0 #HW1 #HU2 #H destruct
- /5 width=6 by lsuba_aaa_trans, lsuba_abbr, aaa_abbr, aaa_cast/
+ /5 width=6 by lsuba_aaa_trans, lsuba_beta, aaa_abbr, aaa_cast/
| #b #V #V2 #W1 #W2 #U1 #U2 #HV1 #HV2 #HW12 #HU12 #H1 #H2 destruct
lapply (aaa_lift G L2 … B … (L2.ⓓW2) … HV2) -HV2 /2 width=2 by drop_drop/ #HV2
lapply (IHT1 (ⓓ{b}W2.U2) … HL12) -IHT1 /2 width=1 by cpx_bind/ -L1 #H