| ∀ x0 x1 . ∀ x2 x3 : ι → ι → ι . ∀ x4 x5 : ι → ι . ∀ x6 x7 : ι → ο . pack_b_u_p x0 x2 x4 x6 = pack_b_u_p x1 x3 x5 x7 ⟶ and (and (and (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) |
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