Determine which of the lettered claims below is equivalent to the following:Steve can neither be tested nor give blood.(This is 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)If Steve can give blood,then he has been tested.
B)If Steve has been tested,then he can give blood.
C)Steve cannot give blood,and he has not been tested.
D)Steve has not been tested,but he can give blood. Equivalent to C

Question

Quizplus · Accepted Answer

The original claim states that Steve cannot be tested or give blood. This is equivalent to saying that Steve cannot give blood (since if he can give blood, he must have been tested first) and he has not been tested. This matches claim C.

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