PU Flashcards

(26 cards)

1
Q

What is a syllogism?

A

A syllogism is a form of reasoning in which a conclusion is drawn from two given or assumed propositions (premises).

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2
Q

True or False: A syllogism must have exactly two premises.

A

True

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3
Q

Fill in the blank: In a syllogism, the major premise is the _______ statement.

A

general

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4
Q

What are the two types of premises in a syllogism?

A

Major premise and minor premise.

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5
Q

Multiple choice: Which of the following is a valid syllogism? A) All humans are mortal; Socrates is a human; therefore, Socrates is mortal. B) Some cats are black; all dogs are animals; therefore, some dogs are black.

A

A

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6
Q

What is the conclusion in a syllogism?

A

The conclusion is the statement that logically follows from the premises.

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7
Q

True or False: Syllogisms can have more than three terms.

A

False

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8
Q

What is a major premise in a syllogism?

A

The major premise is a broad statement that encompasses the general category of the conclusion.

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9
Q

Fill in the blank: The minor premise in a syllogism refers to a specific _______.

A

example

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10
Q

Multiple choice: Which of the following illustrates a syllogism? A) All birds can fly; penguins are birds; therefore, penguins can fly. B) All mammals are warm-blooded; whales are mammals; therefore, whales are warm-blooded.

A

B

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11
Q

Identify the term: The middle term in a syllogism is the term that appears in both premises but not in the _______.

A

conclusion

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12
Q

What is a categorical syllogism?

A

A categorical syllogism is a form of syllogism where the premises and conclusion are categorical statements.

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13
Q

True or False: A valid syllogism guarantees a true conclusion if the premises are true.

A

True

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14
Q

What is the structure of a standard syllogism?

A

Major premise, minor premise, conclusion.

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15
Q

Fill in the blank: In a syllogism, if the major premise is universal, the conclusion must also be _______.

A

universal

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16
Q

Multiple choice: Which of the following is not a type of syllogism? A) Conditional syllogism B) Disjunctive syllogism C) Inductive syllogism

17
Q

What role does the middle term play in a syllogism?

A

The middle term connects the major and minor premises.

18
Q

True or False: Syllogisms can only involve two terms.

19
Q

What is a hypothetical syllogism?

A

A hypothetical syllogism is a syllogism where at least one of the premises is a conditional statement.

20
Q

Fill in the blank: The conclusion of a syllogism must logically follow from the _______.

21
Q

Multiple choice: Which of the following statements is an example of a syllogism? A) If it rains, the ground will be wet; it is raining; therefore, the ground is wet. B) Some fruits are sweet; apples are fruits; therefore, apples are sweet.

22
Q

What is the significance of the validity of a syllogism?

A

The validity determines whether the conclusion logically follows from the premises.

23
Q

True or False: All valid syllogisms are sound.

24
Q

What is an example of a fallacy in syllogism?

A

Affirming the consequent.

25
Fill in the blank: A sound argument is both _______ and valid.
true
26
Multiple choice: Which of the following describes a disjunctive syllogism? A) Either A or B; not A; therefore, B. B) If A, then B; A; therefore, B.
A