PU Flashcards
(26 cards)
What is a syllogism?
A syllogism is a form of reasoning in which a conclusion is drawn from two given or assumed propositions (premises).
True or False: A syllogism must have exactly two premises.
True
Fill in the blank: In a syllogism, the major premise is the _______ statement.
general
What are the two types of premises in a syllogism?
Major premise and minor premise.
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
What is the conclusion in a syllogism?
The conclusion is the statement that logically follows from the premises.
True or False: Syllogisms can have more than three terms.
False
What is a major premise in a syllogism?
The major premise is a broad statement that encompasses the general category of the conclusion.
Fill in the blank: The minor premise in a syllogism refers to a specific _______.
example
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.
B
Identify the term: The middle term in a syllogism is the term that appears in both premises but not in the _______.
conclusion
What is a categorical syllogism?
A categorical syllogism is a form of syllogism where the premises and conclusion are categorical statements.
True or False: A valid syllogism guarantees a true conclusion if the premises are true.
True
What is the structure of a standard syllogism?
Major premise, minor premise, conclusion.
Fill in the blank: In a syllogism, if the major premise is universal, the conclusion must also be _______.
universal
Multiple choice: Which of the following is not a type of syllogism? A) Conditional syllogism B) Disjunctive syllogism C) Inductive syllogism
C
What role does the middle term play in a syllogism?
The middle term connects the major and minor premises.
True or False: Syllogisms can only involve two terms.
False
What is a hypothetical syllogism?
A hypothetical syllogism is a syllogism where at least one of the premises is a conditional statement.
Fill in the blank: The conclusion of a syllogism must logically follow from the _______.
premises
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.
A
What is the significance of the validity of a syllogism?
The validity determines whether the conclusion logically follows from the premises.
True or False: All valid syllogisms are sound.
False
What is an example of a fallacy in syllogism?
Affirming the consequent.