Let x0 of type ι be given.
Let x1 of type ι → ο be given.
Apply unknownprop_dec2978c0a72cebd51fcab0a380f03d4d80d1ccd8f826d378953148c305a60f0 with
4a7ef..,
x0,
x1 x0 leaving 3 subgoals.
The subproof is completed by applying H0.
Apply unknownprop_da3368fefc81e401e6446c98c0c04ab87d76d6f97c47fe5fd07c1e3c2f00ef6a with
x0,
x1 x0.
The subproof is completed by applying H2.
Apply H2 with
λ x2 x3 . x1 x3.
The subproof is completed by applying H1.