Logic and Arguments Discussion Solutions

Logic and Arguments Discussion Solutions
Logic and Arguments Discussion Solutions
Logic and Arguments
21. What is the role of logic in philosophy?
(A) To help one express oneself persuasively
(B) To find out which principles are true
(C) To express oneself in a technical manner
(D) To determine right answers to ethical dilemmas
(E) To determine, given the truth of certain statements, what else
must be true
22. The logic of an argument is what dictates whether the argument
.
(A) sounds plausible
(B) has premises that are true
(C) has a conclusion that makes sense
(D) has a conclusion that you are willing to accept
(E) has a conclusion that follows from its premises
Logic and Arguments Discussion Solutions
23. In philosophy, logic refers to .
(A) valid structures of inference
(B) the formal expression of values
(C) what makes statements true or false
(D) what is needed to make a sound argument
(E) whether premises of an argument are based on fact
24. A conditional is a statement that .
(A) might be true
(B) is a valid argument
(C) depends on another statement’s being true
(D) expresses a relation of consequence between statements
(E) gives valid reasons for the truth of a conclusion
25. A true conditional is a statement that .
(A) must be true
(B) has a true antecedent and a true consequent
(C) is such that if the consequent is true, the antecedent must also
be true
(D) is such that if the antecedent is true, the consequent must also
be true
(E) is such that if the antecedent is false, the consequent must also
be false
6 ❯ McGraw-Hill’s 500 Philosophy Questions
26. A conditional is false just if .
(A) its antecedent is false
(B) its consequent is false
(C) its antecedent and consequent are false
(D) its antecedent and its consequent might be false
(E) it is possible for its antecedent to be true while its consequent is false
27. A true conditional is a statement for which .
(A) the antecedent is true
(B) the consequent is true
(C) the consequent follows from the antecedent
(D) the antecedent and consequent are both true
(E) a plausible argument can be made
28. A counterexample to a conditional .
(A) falsifies the conditional’s antecedent
(B) falsifies the conditional’s consequent
(C) disproves the consequent of the conditional
(D) says that its consequent may be false while the antecedent is true
(E) says that its consequent may be true while its antecedent is false
Logic and Arguments Discussion Solutions
29. The premises of an argument correspond to .
(A) a conditional
(B) a true conditional
(C) a valid argument
(D) the antecedent of a conditional
(E) the conclusion of a conditional
30. Every argument contains .
(A) a conditional
(B) a true conclusion
(C) at least three premises
(D) at least one true premise
(E) at least one premise that is a general principle
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