| ∀ x0 : ι → ((ι → ο) → ο) → (ι → ι) → ι → ι . ∀ x1 . ∀ x2 : (ι → ο) → ο . ∀ x3 : ι → ι . ∀ x4 . (∀ x5 : (ι → ο) → ο . (∀ x6 : ι → ο . (∀ x7 . x6 x7 ⟶ x7 ∈ x1) ⟶ iff (x2 x6) (x5 x6)) ⟶ ∀ x6 : ι → ι . (∀ x7 . x7 ∈ x1 ⟶ x3 x7 = x6 x7) ⟶ x0 x1 x5 x6 x4 = x0 x1 x2 x3 x4) ⟶ unpack_c_u_e_i (pack_c_u_e x1 x2 x3 x4) x0 = x0 x1 x2 x3 x4 |
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