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

question 19

Short Answer

Determine which of the lettered claims below is equivalent to the following:If the gun cannot be sold,then it does have a trigger lock.(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.
Equivalent to D

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Definitions:

Market Supply Curve

A graphical representation showing the total quantity of a particular good or service that producers are willing to sell at various price points.

Rubber Erasers

Small, often rubbery objects used for removing pencil and sometimes ink marks from paper.

Consumer Surplus

The disparity between the total cost consumers are inclined and able to bear for a good or service and the total cost they actually bear.

Consumer Surplus

The economic benefit consumers receive when they pay a price below what they were willing to pay, reflecting consumer satisfaction in economic transactions.