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 be given.
Let x5 of type ι → ι be given.
Let x6 of type ι → ο be given.
Let x7 of type ι → ο be given.
Apply pack_b_u_p_0_eq with
pack_b_u_p 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_u_p_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 ⟶ x4 x8 = x5 x8,
∀ 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_u_p_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_u_p_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.
Apply pack_b_u_p_2_eq2 with
x0,
x2,
x4,
x6,
x8,
λ x9 x10 . x10 = x5 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 2) x8 = x5 x8.
Let x9 of type ι → ι → ο be given.
Apply pack_b_u_p_2_eq2 with
x1,
x3,
x5,
x7,
x8,
λ x10 x11 . x9 x11 x10.
The subproof is completed by applying L4.
Let x8 of type ι be given.
Assume H3: x8 ∈ x0.
Apply pack_b_u_p_3_eq2 with
x0,
x2,
x4,
x6,
x8,
λ x9 x10 : ο . 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 . decode_p (ap x10 3) x8 = x7 x8.
Let x9 of type ο → ο → ο be given.
Apply pack_b_u_p_3_eq2 with
x1,
x3,
x5,
x7,
x8,
λ x10 x11 : ο . x9 x11 x10.
The subproof is completed by applying L4.