∀ x0 x1 x2 . x0 ∈ 3 ⟶ x1 ∈ 3 ⟶ x2 ∈ 3 ⟶ (x0 = x1 ⟶ ∀ x3 : ο . x3) ⟶ (x0 = x2 ⟶ ∀ x3 : ο . x3) ⟶ (x1 = x2 ⟶ ∀ x3 : ο . x3) ⟶ bij 3 3 (ap (lam 3 (λ x3 . If_i (x3 = 0) x0 (If_i (x3 = 1) x1 x2)))) |
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