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

question 124

Multiple Choice

refer to the following formula: (∃x) [Mx • (∼Nc $\lor$ ∼Ox) ] ≡ (Py • Pb)
-Which is the main operator of the formula?

• A) (∃x)
• B) The first '•', reading left to right.
• C) ≡
• D) \( \lor \)
• E) There is no main operator.

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