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new C ∨ E β†’ (A β†’ (B β†’ ((G β†’ D) β†’ (((E β†’ C) β†’ G) β†’ ((C β†’ E ∧ G) β†’ (E ∧ B β†’ ((E ∧ D) ∧ A β†’ (F ∧ C β†’ G ∧ F))))))))
intro
intro
intro
intro
intro
intro
intro
cases 6
cases 6
intro
cases 11
cases 6
cases 11
cases 12
cases 16
intro
cases 22
cases 6
cases 11
cases 12
cases 16
cases 22
cases 27
constructor
apply 4
intro
cases 6
cases 11
cases 12
cases 16
cases 22
cases 27
cases 40
exact 24
exact 23