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:

Comparative Advantage

The endowment of a person, enterprise, or nation to output a good or service at a diminished opportunity cost relative to rival entities.

Barriers to Trade

Measures that governments or public authorities introduce to restrict or prevent international trade.

Quota

A government-imposed trade restriction that limits the quantity or monetary value of goods that can be imported or exported during a specific time frame.

Domestic Producers

Companies or individuals that manufacture or produce goods within their own country, as opposed to importing them from abroad.