Let x0 of type ι be given.
Let x1 of type ι be given.
Apply unknownprop_1dada0fb38ff7f9b45b564ad11d6295d93250427446875218f17ee62431454a6 with
56ded.. (e4431.. x0),
λ x2 . 099f3.. x0 x2,
x1 leaving 2 subgoals.
Apply unknownprop_c00cc223767ee742a69d7b142278ba10f148f15f86cc8e89adc83bb1fda2c95d with
x1,
x0 leaving 3 subgoals.
The subproof is completed by applying H1.
The subproof is completed by applying H0.
The subproof is completed by applying H2.
The subproof is completed by applying H3.