λ x0 . ∀ x1 : ι → ο . (∀ x2 . ∀ x3 : ι → ι → ι . (∀ x4 . x4 ∈ x2 ⟶ ∀ x5 . x5 ∈ x2 ⟶ x3 x4 x5 ∈ x2) ⟶ ∀ x4 : ι → ι . (∀ x5 . x5 ∈ x2 ⟶ x4 x5 ∈ x2) ⟶ ∀ x5 x6 : ι → ο . x1 (pack_b_u_p_p x2 x3 x4 x5 x6)) ⟶ x1 x0 |
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