Let x0 of type ι be given.
Let x1 of type ι be given.
Apply unknownprop_a23ec6a55ac212526d74cbf0d04096929ad453b0eb0f8023e32b8a33930d39fb with
x0,
x1 leaving 2 subgoals.
Apply unknownprop_59c2def3e833834a432b15d1304fd44abee4e38a00501748627807a8669cdebc with
x0,
x1 leaving 2 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H2.
Apply unknownprop_59c2def3e833834a432b15d1304fd44abee4e38a00501748627807a8669cdebc with
x1,
x0 leaving 2 subgoals.
The subproof is completed by applying H1.
Let x2 of type ι → ι → ο be given.
The subproof is completed by applying H2 with λ x3 x4 . x2 x4 x3.