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488871e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | new (A → J) → (A → (E ∧ G → ((C → ((G → C) → H)) → ((H → F ∧ D) → ((J → G) → (((G → C) → F) → (B ∨ J → (((I → C) ∨ (G ∧ A ∨ F) → (I ∨ F) ∨ (H → C)) → A)))))))) intro intro intro cases 2 intro intro intro intro intro cases 2 intro cases 2 exact 1 |