Refer to the Following Formula: (∃X)[Mx • (∼Nc $\lor$

question 115

Multiple Choice

refer to the following formula: (∃x) [Mx • (∼Nc $\lor$ ∼Ox) ] ≡ (Py • Pb)
-Which of the following variables in the formula are free?

• A) The x that follows the M.
• B) The y that follows the P.
• C) The x that follows the O.
• D) All of the above.
• E) None of the above.

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