∀ x0 . ∀ x1 : ι → ι → ο . (∀ x2 . x2 ∈ x0 ⟶ ∀ x3 . x3 ∈ x0 ⟶ x1 x2 x3 ⟶ x1 x3 x2) ⟶ 4402e.. x0 x1 ⟶ cf2df.. x0 x1 ⟶ ∀ x2 . x2 ∈ x0 ⟶ ∀ x3 . x3 ⊆ setminus x0 (Sing x2) ⟶ 5963b.. x3 x1 ⟶ 5bab1.. x0 x1 |
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