Let x0 of type ι be given.

Assume H0: x0 ∈ u6.

Let x1 of type ι be given.

Assume H1: x1 ∈ u6.

Apply unknownprop_1df6cb25245842ac80f846f984ad1ab224979cc48aebddb9e27917721a4b0bdb with Church6_squared_permutation__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5 (nth_6_tuple x0) (nth_6_tuple x1), λ x2 x3 : ι → ι → ι → ι → ι → ι → ι . Church6_to_u6 (Church6_squared_permutation__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5__3_2_1_0_4_5 (nth_6_tuple x0) x3) = x1 leaving 2 subgoals.

Apply unknownprop_dd1377463974de0ca0cce86fcf35d6ab1718525eba6284325132ea232c3427ab with nth_6_tuple x0, nth_6_tuple x1 leaving 2 subgoals.

Apply unknownprop_90460311f4fb47844a8dd0d64a1306416f6a25ac4d465fc1811061f42791aace with x0.

The subproof is completed by applying H0.

Apply unknownprop_90460311f4fb47844a8dd0d64a1306416f6a25ac4d465fc1811061f42791aace with x1.

The subproof is completed by applying H1.

Apply unknownprop_109cd4ee77f0ccf871cfc901355b24b6c5caa5e918e0101a3791775102c4e2d2 with nth_6_tuple x0, nth_6_tuple x1, λ x2 x3 : ι → ι → ι → ι → ι → ι → ι . Church6_to_u6 x3 = x1 leaving 3 subgoals.

Apply unknownprop_90460311f4fb47844a8dd0d64a1306416f6a25ac4d465fc1811061f42791aace with x0.

The subproof is completed by applying H0.

Apply unknownprop_90460311f4fb47844a8dd0d64a1306416f6a25ac4d465fc1811061f42791aace with x1.

The subproof is completed by applying H1.

Apply unknownprop_72649fc0d609625e17ac53e25cd57a51abe86f395cd11e949eac34127a9e2ea9 with x1.

The subproof is completed by applying H1.

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Proofgold Proof