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Let x0 of type ι be given.
Let x1 of type ι be given.
Let x2 of type ι → ι → ι be given.
Let x3 of type ι → ι → ι be given.
Let x4 of type ι → ι → ι be given.
Let x5 of type ι → ι → ι be given.
Let x6 of type ι → ι be given.
Let x7 of type ι → ι be given.
Apply pack_b_b_u_0_eq with pack_b_b_u x0 x2 x4 x6, x1, x3, x5, x7.
The subproof is completed by applying H0.
Claim L2: x0 = x1
Apply L1 with λ x8 x9 . x0 = x9.
The subproof is completed by applying pack_b_b_u_0_eq2 with x0, x2, x4, x6.
Apply and4I with x0 = x1, ∀ x8 . x8 ∈ x0 ⟶ ∀ x9 . x9 ∈ x0 ⟶ x2 x8 x9 = x3 x8 x9, ∀ x8 . x8 ∈ x0 ⟶ ∀ x9 . x9 ∈ x0 ⟶ x4 x8 x9 = x5 x8 x9, ∀ x8 . x8 ∈ x0 ⟶ x6 x8 = x7 x8 leaving 4 subgoals.
The subproof is completed by applying L2.
Let x8 of type ι be given.
Assume H3: x8 ∈ x0.
Let x9 of type ι be given.
Assume H4: x9 ∈ x0.
Apply pack_b_b_u_1_eq2 with x0, x2, x4, x6, x8, x9, λ x10 x11 . x11 = x3 x8 x9 leaving 3 subgoals.
The subproof is completed by applying H3.
The subproof is completed by applying H4.
Claim L5: x8 ∈ x1
Apply L2 with λ x10 x11 . x8 ∈ x10.
The subproof is completed by applying H3.
Claim L6: x9 ∈ x1
Apply L2 with λ x10 x11 . x9 ∈ x10.
The subproof is completed by applying H4.
Apply H0 with λ x10 x11 . decode_b (ap x11 1) x8 x9 = x3 x8 x9.
Let x10 of type ι → ι → ο be given.
Apply pack_b_b_u_1_eq2 with x1, x3, x5, x7, x8, x9, λ x11 x12 . x10 x12 x11 leaving 2 subgoals.
The subproof is completed by applying L5.
The subproof is completed by applying L6.
Let x8 of type ι be given.
Assume H3: x8 ∈ x0.
Let x9 of type ι be given.
Assume H4: x9 ∈ x0.
Apply pack_b_b_u_2_eq2 with x0, x2, x4, x6, x8, x9, λ x10 x11 . x11 = x5 x8 x9 leaving 3 subgoals.
The subproof is completed by applying H3.
The subproof is completed by applying H4.
Claim L5: x8 ∈ x1
Apply L2 with λ x10 x11 . x8 ∈ x10.
The subproof is completed by applying H3.
Claim L6: x9 ∈ x1
Apply L2 with λ x10 x11 . x9 ∈ x10.
The subproof is completed by applying H4.
Apply H0 with λ x10 x11 . decode_b (ap x11 2) x8 x9 = x5 x8 x9.
Let x10 of type ι → ι → ο be given.
Apply pack_b_b_u_2_eq2 with x1, x3, x5, x7, x8, x9, λ x11 x12 . x10 x12 x11 leaving 2 subgoals.
The subproof is completed by applying L5.
The subproof is completed by applying L6.
Let x8 of type ι be given.
Assume H3: x8 ∈ x0.
Apply pack_b_b_u_3_eq2 with x0, x2, x4, x6, x8, λ x9 x10 . x10 = x7 x8 leaving 2 subgoals.
The subproof is completed by applying H3.
Claim L4: x8 ∈ x1
Apply L2 with λ x9 x10 . x8 ∈ x9.
The subproof is completed by applying H3.
Apply H0 with λ x9 x10 . ap (ap x10 3) x8 = x7 x8.
Let x9 of type ι → ι → ο be given.
Apply pack_b_b_u_3_eq2 with x1, x3, x5, x7, x8, λ x10 x11 . x9 x11 x10.
The subproof is completed by applying L4.
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