Let x0 of type ι be given.
Let x1 of type ι → ο be given.
Apply unknownprop_dec2978c0a72cebd51fcab0a380f03d4d80d1ccd8f826d378953148c305a60f0 with
4ae4a.. (4ae4a.. 4a7ef..),
x0,
x1 x0 leaving 3 subgoals.
The subproof is completed by applying H0.
Apply unknownprop_285d1412c16abfd3320f0ee89e600fad3199271183754290c3d7bd1f86d5a491 with
x0,
x1 leaving 3 subgoals.
The subproof is completed by applying H4.
The subproof is completed by applying H1.
The subproof is completed by applying H2.
Apply H4 with
λ x2 x3 . x1 x3.
The subproof is completed by applying H3.