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