Let x0 of type ι be given.
Let x1 of type ι be given.
Apply unknownprop_b2d3cb96a6a882d02e5e57dcfc02559b580d1f8621959f82afe70dc68a4b010f with
x0,
x1,
λ x2 x3 . x3 = 02a50.. (0ac37.. (94f9e.. (56ded.. x0) (λ x4 . bc82c.. x4 x1)) (94f9e.. (56ded.. x1) (λ x4 . bc82c.. x0 x4))) 4a7ef.. leaving 3 subgoals.
The subproof is completed by applying L2.
The subproof is completed by applying L3.