Determine Whether the Following Symbolized Argument Is Valid or Invalid

question 63

Essay

Determine whether the following symbolized argument is valid or invalid. If invalid, provide a counterexample; if valid, construct a deduction.
P → (Q v R)
~S v ~T
(Q v R) → (S & T)/∴ ~P

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Definitions:

Marginal Product

The additional output that is produced by adding one more unit of a particular input while keeping other inputs constant.

Perfect Competitor

A theoretical market structure where many firms sell identical products, entry and exit are easy, and no single buyer or seller can influence market price.

Marginal Product

The increase in output resulting from a one-unit increase in the amount of a single input, holding all other inputs constant.

Wage Rate

The fixed amount of compensation or payment made to an employee by an employer in return for work performed, typically expressed on an hourly, daily, or piecework basis.