∀ x0 x1 . SNo x0 ⟶ SNo x1 ⟶ ∀ x2 : ο . (x0 = x1 ⟶ x2) ⟶ (∀ x3 . x3 ∈ SNoL x1 ⟶ x3 ∈ SNoR x0 ⟶ x2) ⟶ (x0 ∈ SNoL x1 ⟶ x2) ⟶ (x1 ∈ SNoR x0 ⟶ x2) ⟶ (∀ x3 . x3 ∈ SNoR x1 ⟶ x3 ∈ SNoL x0 ⟶ x2) ⟶ (x0 ∈ SNoR x1 ⟶ x2) ⟶ (x1 ∈ SNoL x0 ⟶ x2) ⟶ x2 |
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