Apply unknownprop_fe7ff313be3d0b9f2334c12982636aff94f7603137e8053506a95c79965309c2 with
V_ 0.
Let x0 of type ι be given.
Apply unknownprop_b30a94f49240f0717f4ecb200a605aa8a4e6dad6dc5d1afa60c37866ee96baab with
x0,
V_ 0.
Apply unknownprop_3687558d9284fdd514174bfe87bba39032212334a6409eb4554d4077dea6d831 with
x0,
0,
False leaving 2 subgoals.
The subproof is completed by applying H0.
Let x1 of type ι be given.
Apply FalseE with
Subq x0 (V_ x1) ⟶ False.
Apply unknownprop_1cc88f7e87aaf8c5cee24b4a69ff535a81e7855c45a9fd971eec05ee4cc28f9c with
x1.
The subproof is completed by applying H1.