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