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197785f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | new E ∧ B → ((E ∨ D → C) → (B ∧ E → (A ∨ B → (C ∧ A → (B → (B → B ∨ E)))))) intro cases 0 intro intro cases 4 intro intro cases 8 cases 0 cases 4 cases 8 intro cases 0 cases 4 cases 8 intro cases 0 cases 4 cases 8 left exact 2 |