Let x0 of type ι → ο be given.
Let x1 of type ι → ι → ι be given.
Assume H0: ∀ x2 x3 . x0 x2 ⟶ x0 x3 ⟶ x0 (x1 x2 x3).
Assume H1: ∀ x2 x3 x4 . x0 x2 ⟶ x0 x3 ⟶ x0 x4 ⟶ x1 x2 (x1 x3 x4) = x1 x3 (x1 x2 x4).
Assume H2: ∀ x2 x3 . x0 x2 ⟶ x0 x3 ⟶ x1 x2 x3 = x1 x3 x2.
Let x2 of type ι be given.
Let x3 of type ι be given.
Let x4 of type ι be given.
Let x5 of type ι be given.
Let x6 of type ι be given.
Let x7 of type ι be given.
Let x8 of type ι be given.
Assume H3: x0 x2.
Assume H4: x0 x3.
Assume H5: x0 x4.
Assume H6: x0 x5.
Assume H7: x0 x6.
Assume H8: x0 x7.
Assume H9: x0 x8.
Apply unknownprop_9b08836e02c4ecab23ffe407c500b75674d8128928669b1aa1e6670ede61d6f8 with
x0,
x1,
x2,
x3,
x4,
x5,
x6,
x7,
x8,
λ x9 x10 . x10 = x1 x8 (x1 x4 (x1 x6 (x1 x3 (x1 x7 (x1 x5 x2))))) leaving 10 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H1.
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.
Apply H2 with
x2,
x8,
λ x9 x10 . x1 x3 (x1 x4 (x1 x5 (x1 x6 (x1 x7 x10)))) = x1 x8 (x1 x4 (x1 x6 (x1 x3 (x1 x7 (x1 x5 x2))))) leaving 3 subgoals.
The subproof is completed by applying H3.
The subproof is completed by applying H9.
Apply unknownprop_14cec0ca77163b8181ec125042a45a0573372272e5b70f036063f39015a44cfb with
x0,
x1,
x3,
x4,
x5,
x6,
x7,
x8,
x2 leaving 9 subgoals.
The subproof is completed by applying H0.
The subproof is completed by applying H1.
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 H3.