Apply unknownprop_bf1bd8ab3ca5ea3ddb87610422183f92c6934b1f09d04b825e575ec48e6ebd16 with
λ x0 : ι → ι . λ x1 . x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 (x0 x1)))))))))))))))))).
The subproof is completed by applying unknownprop_0b2248e98d0d89125f4c53421eabb107ce2599353975237d878ac71e2eb664b5.