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