Q. Statement: All birds can fly. Argument: Therefore, penguins can fly.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is weak because it incorrectly includes penguins, which cannot fly.
Correct Answer:
B
— Argument is weak.
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Q. Statement: All birds have feathers. Argument: Therefore, penguins are birds because they have feathers.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is valid.
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D.
Argument is irrelevant.
Solution
The argument is strong because it correctly identifies penguins as birds based on the given statement.
Correct Answer:
A
— Argument is strong.
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Q. Statement: All cars have wheels. Argument: Therefore, if it has wheels, it is a car.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is weak because having wheels does not necessarily mean it is a car; other vehicles also have wheels.
Correct Answer:
B
— Argument is weak.
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Q. Statement: All cats are mammals. Argument: Therefore, all mammals are cats.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is weak because it incorrectly assumes that all mammals are cats, which is not true.
Correct Answer:
B
— Argument is weak.
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Q. Statement: All cats are mammals. Argument: Therefore, some mammals are cats.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The argument is irrelevant.
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D.
The argument is a tautology.
Solution
The argument is valid because if all cats are mammals, it logically follows that some mammals are indeed cats.
Correct Answer:
A
— The argument is valid.
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Q. Statement: All dogs are animals. Argument: Therefore, all animals are dogs.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The argument is a syllogism.
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D.
The argument is a paradox.
Solution
The argument is invalid because the statement does not imply that all animals are dogs, only that all dogs are included in the category of animals.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: All dogs are animals. Argument: Therefore, no animals are dogs.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The argument is a misinterpretation.
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D.
The argument is a conclusion.
Solution
The argument is invalid because stating that all dogs are animals does not imply that no animals are dogs.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: All fruits have seeds. Argument: Therefore, a seedless fruit is not a fruit.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is valid.
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D.
Argument is sound.
Solution
The argument is weak because it incorrectly defines fruits based solely on the presence of seeds.
Correct Answer:
B
— Argument is weak.
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Q. Statement: All fruits have seeds. Argument: Therefore, all things with seeds are fruits.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The statement is false.
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D.
The statement is true.
Solution
The argument is invalid because not all things with seeds are fruits.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: All fruits have seeds. Argument: Therefore, strawberries are fruits because they have seeds.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is strong because it correctly identifies strawberries as fruits based on the given statement.
Correct Answer:
A
— Argument is strong.
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Q. Statement: All humans are mortal. Argument: Therefore, Socrates is mortal because he is a human.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is strong because it correctly applies the general statement about humans to a specific case (Socrates).
Correct Answer:
A
— Argument is strong.
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Q. Statement: All humans are mortal. Argument: Therefore, Socrates is mortal.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The argument is a syllogism.
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D.
The argument is a tautology.
Solution
The argument is valid because Socrates, being a human, must be mortal as per the statement.
Correct Answer:
A
— The argument is valid.
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Q. Statement: All mammals have lungs. Argument: Therefore, all animals with lungs are mammals.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is weak because having lungs does not exclusively mean that an animal is a mammal.
Correct Answer:
B
— Argument is weak.
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Q. Statement: All mammals have lungs. Argument: Therefore, some animals with lungs are mammals.
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A.
The argument is valid.
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B.
The argument is invalid.
-
C.
The argument is a misinterpretation.
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D.
The argument is a conclusion.
Solution
The argument is valid because if all mammals have lungs, it follows that some animals with lungs must be mammals.
Correct Answer:
A
— The argument is valid.
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Q. Statement: All mammals have lungs. Argument: Therefore, whales have lungs.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is strong because it correctly states that whales, being mammals, must have lungs.
Correct Answer:
A
— Argument is strong.
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Q. Statement: All squares are rectangles. Argument: Therefore, all rectangles are squares.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The argument is a generalization.
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D.
The argument is a misinterpretation.
Solution
The argument is invalid because while all squares are rectangles, not all rectangles are squares.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: All squares are rectangles. Argument: Therefore, some rectangles are squares.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is strong because it correctly states that squares are a specific type of rectangle.
Correct Answer:
A
— Argument is strong.
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Q. Statement: No birds are mammals. Argument: Therefore, all mammals are birds.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is weak because the statement does not support the conclusion that all mammals are birds.
Correct Answer:
B
— Argument is weak.
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Q. Statement: No birds are mammals. Argument: Therefore, all mammals are not birds.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The argument is a contradiction.
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D.
The argument is a fallacy.
Solution
The argument is invalid because the statement only indicates that no birds are mammals, not that all mammals cannot be birds.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: No dogs are cats. Argument: Therefore, no cats are dogs.
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A.
Argument is strong.
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B.
Argument is weak.
-
C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is strong because it correctly reflects the statement that no dogs are cats.
Correct Answer:
A
— Argument is strong.
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Q. Statement: No fish are mammals. Argument: Therefore, some mammals are not fish.
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A.
Argument is strong.
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B.
Argument is weak.
-
C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is strong because it logically follows that if no fish are mammals, some mammals cannot be fish.
Correct Answer:
A
— Argument is strong.
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Q. Statement: No fish can fly. Argument: Therefore, some flying creatures are not fish.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The statement is false.
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D.
The statement is true.
Solution
The argument is valid because if no fish can fly, it implies that some flying creatures are not fish.
Correct Answer:
A
— The argument is valid.
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Q. Statement: No mammals lay eggs. Argument: Therefore, all egg-laying animals are not mammals.
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A.
Argument is strong.
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B.
Argument is weak.
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C.
Argument is irrelevant.
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D.
Argument is valid.
Solution
The argument is strong because it logically follows from the statement that no mammals lay eggs.
Correct Answer:
A
— Argument is strong.
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Q. Statement: No reptiles are mammals. Argument: Therefore, some mammals are not reptiles.
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A.
The argument is valid.
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B.
The argument is invalid.
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C.
The argument is a contradiction.
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D.
The argument is a fallacy.
Solution
The argument is valid because if no reptiles are mammals, it follows that some mammals cannot be reptiles.
Correct Answer:
A
— The argument is valid.
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Q. Statement: No reptiles are mammals. Argument: Therefore, some mammals are reptiles.
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A.
Argument is strong.
-
B.
Argument is weak.
-
C.
Argument is irrelevant.
-
D.
Argument is valid.
Solution
The argument is weak because the statement clearly states that no reptiles are mammals, making the conclusion false.
Correct Answer:
B
— Argument is weak.
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Q. Statement: No reptiles are warm-blooded. Argument: Therefore, all warm-blooded animals are not reptiles.
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A.
The argument is valid.
-
B.
The argument is invalid.
-
C.
The argument is a contradiction.
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D.
The argument is a conclusion.
Solution
The argument is invalid because just because no reptiles are warm-blooded does not mean all warm-blooded animals are not reptiles.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: Some birds can fly. Argument: Therefore, all birds can fly.
-
A.
The argument is valid.
-
B.
The argument is invalid.
-
C.
The statement is false.
-
D.
The statement is true.
Solution
The argument is invalid because the statement only claims that some birds can fly, not all.
Correct Answer:
B
— The argument is invalid.
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Q. Statement: Some birds can swim. Argument: Therefore, all birds can swim.
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A.
Argument is strong.
-
B.
Argument is weak.
-
C.
Argument is irrelevant.
-
D.
Argument is valid.
Solution
The argument is weak because it generalizes that all birds can swim based on the fact that some can.
Correct Answer:
B
— Argument is weak.
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Q. Statement: Some cars are electric. Argument: Therefore, all cars are electric.
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A.
Argument is strong.
-
B.
Argument is weak.
-
C.
Argument is irrelevant.
-
D.
Argument is valid.
Solution
The argument is weak because it incorrectly generalizes that all cars are electric based on the fact that some are.
Correct Answer:
B
— Argument is weak.
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Q. Statement: Some cars are electric. Argument: Therefore, all electric vehicles are cars.
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A.
The argument is valid.
-
B.
The argument is invalid.
-
C.
The argument is a false assumption.
-
D.
The argument is a conclusion.
Solution
The argument is invalid because just because some cars are electric does not mean all electric vehicles are cars.
Correct Answer:
B
— The argument is invalid.
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Showing 1 to 30 of 47 (2 Pages)