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488871e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | new ((B → C) → G) → ((I ∧ C → A) ∧ I → (G ∧ A → (I ∨ C → (C ∨ I → (E → ((A → C) → (J ∧ G → G))))))) intro intro cases 1 intro cases 4 intro intro intro intro intro cases 11 cases 1 cases 4 cases 11 exact 5 |