Let x0 of type ι be given.
Let x1 of type ι → ο be given.
Assume H1: x1 0.
Apply ordsuccE with
u10,
x0,
x1 x0 leaving 3 subgoals.
The subproof is completed by applying H0.
Apply unknownprop_74ee37d72a6213f9e490059da26888feba068255f704fd7ddf59dcd556b0b662 with
x0,
x1 leaving 11 subgoals.
The subproof is completed by applying H12.
The subproof is completed by applying H1.
The subproof is completed by applying H2.
The subproof is completed by applying H3.
The subproof is completed by applying H4.
The subproof is completed by applying H5.
The subproof is completed by applying H6.
The subproof is completed by applying H7.
The subproof is completed by applying H8.
The subproof is completed by applying H9.
The subproof is completed by applying H10.
Apply H12 with
λ x2 x3 . x1 x3.
The subproof is completed by applying H11.