prop_logic_puzzle / example_num_vars7_depth7 /puzzle_59862e60281f4fee.txt
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new (D β†’ C ∧ B) β†’ (B β†’ ((D β†’ C) β†’ (C β†’ (B β†’ (E ∧ C β†’ ((B ∨ A β†’ D) β†’ (D ∨ D ∧ B β†’ B)))))))
intro
intro
intro
intro
intro
intro
cases 5
intro
cases 5
intro
cases 5
exact 1