Let x0 of type ι be given.
Apply set_ext with
e76d4.. x0,
f482f.. x0 4a7ef.. leaving 2 subgoals.
Let x1 of type ι be given.
Apply unknownprop_5843a53f522dbf92d80ac36289685067f008fd2f46b9067d54fc3bf68053a1a3 with
x0,
4a7ef..,
x1.
Apply unknownprop_1af9accd96c3abdabaa4f49f1ec8c648f52e722ea8b5a229f61aaf88b5e0cf83 with
x0,
x1.
The subproof is completed by applying H0.
Let x1 of type ι be given.
Apply unknownprop_2d54d63a5e4d5796d82f12814bbf1a53182ea69c9dcdd3b0c9a4eacfdc2de2dc with
x0,
x1.
Apply unknownprop_94a9448d53fe41e2f423017518d13b5ed4aaa7ee3f113a3a8a767ea0e11959dd with
x0,
4a7ef..,
x1.
The subproof is completed by applying H0.