"All dogs have four legs. Grover is a dog, because Grover barks like a dog. So Grover has four legs."
Which statement represents indirect support?
a) All four-legged animals are dogs
b) Grover barks like a dog
c) All dogs have four legs
d) Grover has four legs - ansb) Grover barks like a dog
"If magicians can pull rabbits out of hats, then magic is real. Magicians can pull rabbits out of hats. Therefore, I
know that magic is real."
Which two statements represent conjoint support when mapping this example to a body of propositions?
Choose 2 answers.
a) I know that magic is real
b) Either magic is real or magic is not real
c) Magicians can pull rabbits out of hats
d) If magicians can pull rabbits out of hats, then magic is real - ansc) Magicians can pull rabbits out of hats
d) If magicians can pull rabbits out of hats, then magic is real
"Peyton is an excellent dentist, so she sings well."
Which statement represents the hidden assumption that would make this argument valid?
a) All excellent dentists sing well
b) Peyton has many hobbies
,c) Nobody who is a dentist also sings
d) Some singers are dentists - ansa) All excellent dentists sing well
"Products manufactured in our country are the best because we make the best automobiles," declared
Kennedy.
Which two descriptors best characterize Kennedy's comments? Choose 2 answers.
a) A strong argument
b) An inference
c) A weak argument
d) A proposition - ansb) An inference
c) A weak argument
"There are not any good seafood restaurants in this city. I tried two, and they were both terrible."
Which fallacy of weak induction best describes this example?
a) Slippery Slope
b) Hasty generalization
c) Appeal to ignorance
d) Equivocation - ansb) Hasty generalization
95% of American citizens are billionaires. Sam is an American citizen. Therefore, Sam is a billionaire.
Which set of terms classify this argument?
a) Valid and sound
, b) Valid and unsound
c) Strong and cogent
d) Strong and uncogent - ansd) Strong and uncogent
A flight attendant accidentally spills a drink on a passenger. The passenger tells a friend that the flight
attendants for the airline are incompetent.
Which fallacy of weak induction best describes this example?
a) Hasty generalization
b) Slippery Slope
c) Appeal to ignorance
d) Equivocation - ansa) Hasty Generalization
A news outlet issues a correction and an apology for incorrect information it published.
In the absence of further information, what does this news outlet's action suggest about its credibility?
a) The source appears credible because it is unbiased.
b) The source appears credible because it is concerned with accuracy.
c) The source lacks credibility because it is biased.
d) The source lacks credibility because it is unprofessional. - ansb) The source appears credible because it is
concerned with accuracy.
A person encounters an internet source with a headline of "This is NOT a hoax!"
Which conclusion would be reasonable for this person to make?