The Power of Critical Thinking, Third Canadian Edition: Chapter 7

Instructions: For each question, click on the radio button beside your answer. When you have completed the entire quiz, click the “Submit my answers” button at the bottom of the page to receive your results.

Question 1:


a) True
b) False

Question 2:


a) True
b) False

Question 3:


a) True
b) False

Question 4:


a) True
b) False

Question 5:


a) True
b) False

Question 6:


a) True
b) False

Question 7:


a) True
b) False

Question 8:


a) True
b) False

Question 9:


a) True
b) False

Question 10:


a) True
b) False

Question 11:


a) True
b) False

Question 12:


a) is neither true nor false
b) does not contain any other statements as constituents
c) is always true
d) is always false

Question 13:


a) false
b) negated
c) true
d) both true and false

Question 14:


a) predicate
b) consequent
c) subject
d) disjunct

Question 15:


a) T, T, F, F
b) F, F, T, T
c) T, F, T, F
d) T, F, F, F

Question 16:


a) show that all the statements of the argument are true
b) prove invalidity in the most efficient way
c) prove validity in the most efficient way
d) prove that the conclusion is false

Question 17:


a) the disjunct
b) the conjunction
c) the disjunction
d) the antecedent

Question 18:


a) the antecedent is false while the consequent is false
b) the first conjunct is true while the second conjunct is false
c) the antecedent is true while the consequent is false
d) both conjuncts are false

Question 19:


a) ~(S --> J v M)
b) (~S --> J) v (M)
c) (~S) --> (J v M)
d) (~S) v (J --> M)

Question 20:


a) It is valid.
b) It is invalid: x is false, y is true.
c) It is invalid: x is true, y is false.
d) Its validity can’t be determined.