new B → ((E → H ∧ D) → (A ∨ F → (A → (((H → C) → E) → (B → (((F → C) → G) → (E ∨ D → (F ∨ A) ∧ (F ∨ B) ∨ ((G ∧ H ∨ (D → G)) ∨ (E ∨ E ∧ H → (H → E))))))))))
intro
intro
intro
intro
intro
intro
intro
intro
left
constructor
right
exact 3
right
exact 0