1、He is so strong that he can lift 100 kilograms.
A、 N = not an argument
B、 A = an argument that is neither valid nor sound
C、 V = an argument that is valid but not sound
D、 B = an argument that is both valid and sound
2、Since Mrs. White did not commit the murder, Colonel Mustard did it.Which of the following sentences could be added as a suppressed premise to make this argument valid?
A、 Mrs. White and Colonel Mustard are characters in the board game Clue.
B、 Either Mrs. White or Colonel Mustard committed the murder.
C、 Mrs. White and Colonel Mustard are suspects for the murder.
D、 Mrs. White and Colonel Mustard are the only
3、Joe does not like steak. Therefore, some farmers don’t like steak.Which of the following sentences could be added as a suppressed premise to make this argument valid?
A、 Farmers raise plants but not animals.
B、 Farmers raise animals but not plants.
C、 Joe is a farmer.
D、 Joe is not a farmer.
4、An argument is sound (in the technical sense used in this course) when and only when
A、 its conclusion is true.
B、 its premises are true.
C、 the argument is valid and its premises are true.
D、 the argument is valid or its premises are true.
5、If jellyfish were birds, then they would have feathers; so jellyfish are not birds.Which of the following sentences could be added as a suppressed premise to make this argument valid?
A、 Jellyfish cannot fly.
B、 Birds are not fish.
C、 Jellyfish have feathers.
D、 Jellyfish do not have feathers.
6、You ought to wear a coat, because it is freezing. Which of the following sentences could be added as a suppressed premise to make this argument valid?
A、 You ought to wear a coat when it is freezing.
B、 Coats keep you from freezing.
C、 Most people wear coats when it is freezing.
D、 Coats are made to be worn when it is freezing.
7、He can lift 100 kilograms, so he is strong. This is
A、 N = not an argument
B、 A = an argument that is neither valid nor sound
C、 V = an argument that is valid but not sound
D、 B = an argument that is both valid and sound
8、Most people from Sao Paulo cheer for the Brazilian national team.
A、 N = not an argument
B、 A = an argument that is neither valid nor sound
C、 V = an argument that is valid but not sound
D、 B = an argument that is both valid and sound
9、Indicate which of the proposed reconstructions best captures the argument in the following passage from John Russell, “Is Eakins Our Greatest Painter?”…we prize him above all for the new dimension of moral awareness that he brought to American painti
A、(1) We prize Eakins above all other painters.____________________________∴ (2) Eakins brought a new dimension of moral awareness to American painting. (from 1)
B、(1) Eakins brought a new dimension of moral awareness to American painting._________
10、All criminals have tattoos, so Gizelle is not a criminal.Indicate which of the following is a single suppressed premise that is sufficient to make this argument valid.
A、 Only criminals have tattoos.
B、 Most people with tattoos are criminals.
C、 Gizelle has a tattoo.
D、 Gizelle does not have a tattoo.
11、Japan is bigger than Israel. Japan is not bigger than China. Therefore, China is bigger than Israel.How would you describe the above example? (In assessing soundness, you may assume commonly known facts.)
A、 N = not an argument
B、 A = an argument that is neither valid nor sound
C、 V = an argument that is valid but not sound
D、 B = an argument that is both valid and sound
12、Pigs cannot fly, so they are not birds.Indicate which of the following is a single suppressed premise that is sufficient to make this argument valid.
A、 Only birds can fly.
B、 All birds can fly.
C、 Some birds can fly.
D、 Some birds cannot fly.
13、There was a murder, and the only suspects who could have committed it are Mr. Green and Mrs. Peacock, so the murderer must be Mr. Green.Indicate which of the following is a single suppressed premise that is sufficient to make this argument valid.
A、 Mr. Green and Mrs. Peacock did not commit the murder together.
B、 If Mr. Green committed the murder, then Mrs. Peacock did not.
C、 Mrs. Peacock did not commit the murder.
D、 Mr. Green is not the only suspect.
14、Sao Paulo is in South America, for it is in Brazil, and Brazil is in South America.How would you describe the above example? (In assessing soundness, you may assume commonly known facts.)
A、 N = not an argument
B、 A = an argument that is neither valid nor sound
C、 V = an argument that is valid but not sound
D、 B = an argument that is both valid and sound
15、An argument cannot ever be valid (in the technical sense used in this course) when
A、 its premises and conclusion are both true.
B、 its premises and conclusion are both false.
C、 its premises are false, and its conclusion is true.
D、 its premises are true, and its conclusion is false.
E、 None of the above. (That is, an argu
16、Indicate which of the proposed reconstructions best captures the argument in the following passage from Steven Jay Gould, “The Panda’s Thumb.”Orchids manufacture their intricate devices from the common components of ordinary flowers, parts usually fi
A、(1) Orchids are made up of common components of ordinary flowers.(2) Those components of ordinary flowers are usually fitted for different purposes (in ordinary flowers than in orchids).(3) If God had designed a machine to reflect his wisdom and po
17、Which of the proposed reconstructions best captures the argument in the following passage from Paul Davies, “Life and Death on Mars”? If provided with the right equipment, astronauts would have a chance of living on Mars for years. Therefore, a one-w
A、(1) Astronauts would be provided with the right equipment.(2) Astronauts would have a chance of living on Mars for years.____________________________∴ (3) A one-way trip to Mars need not mean a quick demise. (from 1-2)
B、(1) If provided with the
18、Indicate which of the proposed reconstructions best represents the argument in the following passage from an advertisement for Equal Exchange Coffee.…We believe in trading directly with small farming cooperatives at mutually agreed-upon prices with a
A、(1) We believe in trading directly with small farming cooperatives at mutually agreed-upon prices with a fixed minimum rate.(2) If the coffee market declines, then the farmers are still guaranteed a fair price.____________________________∴ (3) Have
19、Indicate which of the proposed reconstructions best represents the argument in the following passage from an advertisement for Equal Exchange Coffee.…Of course, your decision to buy Equal Exchange need not be completely altruistic. For we take as muc
A、(1) Your decision to buy Equal Exchange Coffee need not be completely altruistic.____________________________∴ (2) We take as much pride in refining the taste of our gourmet coffees as we do in helping the farmers who produce them. (from 1)
B、(1)
