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