| λ x0 . and (struct_b x0) (unpack_b_o x0 (λ x1 . λ x2 : ι → ι → ι . and (and (∀ x3 : ο . (∀ x4 . and (x4 ∈ x1) (∀ x5 . x5 ∈ x1 ⟶ and (x2 x5 x4 = x5) (x2 x4 x5 = x5)) ⟶ x3) ⟶ x3) (∀ x3 . x3 ∈ x1 ⟶ bij x1 x1 (x2 x3))) (∀ x3 . x3 ∈ x1 ⟶ bij x1 x1 (λ x4 . x2 x4 x3)))) |
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