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5e06520 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | new ((B → E) → D) → ((G → D) → (F ∧ B → ((C → G) → (E ∨ D → ((E ∧ G) ∧ (E ∧ A → D) → (G → E ∧ G)))))) intro intro intro cases 2 intro intro cases 2 intro cases 9 cases 2 cases 9 cases 10 cases 14 intro cases 2 cases 9 cases 10 cases 14 cases 23 exact 10 |