Formal Logic Quiz 2
1. According to our text:
a) a good inductive argument is strictly speaking valid.
b) in a valid deductive argument, the premises and conclusion are so related that it is impossible for the conclusion to be true unless the premises is also true.
c) if an argument is valid, then, if we assume that the premises are false the conclusion must also be false.
d) it will be inconsistent for a valid argument to have true premises and false conclusion.
e) none of the above is correct.
2. According to our text, which of these is inaccurate?
a) A statement but not an argument can be said to be true or false.
b) An argument but not a statement can be said to be valid or invalid.
c) It is improper to say an argument is true or false.
d) It is improper to say a statement is valid or invalid.
e) None of the above.
3. "Affirmative action in college has always meant trying to put minority students onto predominantly white campuses, but a historically black college offers scholarships to white students only ...." (CBS NEWS: 60 Minutes, Sept. 26 1999) means:
a) a historically black college should not offer scholarships to white students.
b) a historically black college should offer scholarships to black students.
c) affirmative action is wrong.
d) affirmative action should not try to put minority students onto predominantly white campuses.
e) none of the above.
4. "It is wonderful, isn't that wonderful?, if you're going to be teaching these niggers how to vote." (PRESIDENT JOHNSON: LBJ Tapes, Nightline 9/24/99) is, as presented above:
a) a conjunction.
b) a disjunction.
c) an implication.
d) an argument.
e) none of the above.
5. "HIV infection is necessary for having AIDS." means:
a) if you have AIDS then you have HIV.
b) if you have HIV, you will have AIDS.
c) if you don't have AIDs then you don't have HIV.
d) either you have HIV or you have AIDS.
e) none of the above.
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