| ∀ x0 x1 . ∀ x2 x3 x4 x5 : ι → ι → ο . ∀ x6 x7 x8 x9 . pack_r_r_e_e x0 x2 x4 x6 x8 = pack_r_r_e_e x1 x3 x5 x7 x9 ⟶ and (and (and (and (x0 = x1) (∀ x10 . x10 ∈ x0 ⟶ ∀ x11 . x11 ∈ x0 ⟶ x2 x10 x11 = x3 x10 x11)) (∀ x10 . x10 ∈ x0 ⟶ ∀ x11 . x11 ∈ x0 ⟶ x4 x10 x11 = x5 x10 x11)) (x6 = x7)) (x8 = x9) |
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