| ∀ x0 : ι → (ι → ι) → (ι → ι) → (ι → ι → ο) → ι → ο . ∀ x1 . ∀ x2 x3 : ι → ι . ∀ x4 : ι → ι → ο . ∀ x5 . (∀ x6 : ι → ι . (∀ x7 . x7 ∈ x1 ⟶ x2 x7 = x6 x7) ⟶ ∀ x7 : ι → ι . (∀ x8 . x8 ∈ x1 ⟶ x3 x8 = x7 x8) ⟶ ∀ x8 : ι → ι → ο . (∀ x9 . x9 ∈ x1 ⟶ ∀ x10 . x10 ∈ x1 ⟶ iff (x4 x9 x10) (x8 x9 x10)) ⟶ x0 x1 x6 x7 x8 x5 = x0 x1 x2 x3 x4 x5) ⟶ unpack_u_u_r_e_o (pack_u_u_r_e x1 x2 x3 x4 x5) x0 = x0 x1 x2 x3 x4 x5 |
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