Determine Which of the Lettered Claims Below Is Equivalent to the Following

question 44

Multiple Choice

Determine which of the lettered claims below is equivalent to the following: If the gun has a trigger lock, then it can be sold. (This can be easy to do if you symbolize the claims first and have some familiarity either with truth tables or with the Group II rules for derivations-the truth-functional equivalences.)

• A)Only if the gun has a trigger lock can it be sold.
• B)The gun has no trigger lock, but it can be sold anyway.
• C)If the gun cannot be sold, then it has no trigger lock.
• D)If the gun has no trigger lock, then it can be sold.

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Definitions:

Supply Curve

Relationship between the quantity of a good that producers are willing to sell and the price of the good.

Trucking Services

Businesses that provide transportation of goods via motor vehicles such as trucks over short or long distances.

Pollutants

Substances that cause pollution, contaminating the air, water, and soil, and potentially causing harm to ecosystems and human health.

Equilibrium Price

The price at which the quantity of goods supplied is equal to the quantity of goods demanded in a market.