Terms & Definitions
A word that names a class or group of things.
What is a term?
All S are P - is which type of proposition
What is a universal affirmative (A)?
When a term refers to all members of its class, it is said to be ___.
What is distributed?
A syllogism is made up of how many propositions?
What are three?
A statement in "if-then" form is called what kind of proposition?
What is a conditional proposition?
The part of a categorical proposition that tells what is being said about the subject.
What is a predicate term?
No S are P - is what type of proposition?
What is a universal negative (E)?
In an A proposition, which term is distributed?
What is the subject term?
The statement that contains the major term and middle term.
What is the major premise?
If P, then Q. P. Therefore Q. - is what valid argument form?
What is modus ponens?
A statement that joins a subject and a predicate with a copula.
What is a proposition?
Some S are P - is which type of proposition?
What is a particular affirmative (I)?
In an E proposition, how many terms are distributed?
What are both terms?
The term that appears in both premises but not in the conclusion.
What is the middle term?
If P, then Q. Not Q. Therefore not P - is what valid argument form?
What is modus tollens?
The word in a proposition that links the subject and predicate, such as "is" or "are."
What is a copula?
Some S are not P - is which type of proposition?
What is a particular negative (O)?
A syllogism that breaks a rule is called _____.
What is invalid?
A syllogism that has a valid form and follows all rules is called ______.
What is a valid syllogism?
If P, then Q. Q. Therefore P. - commits which fallacy?
What is affirming the consequent?
A term that refers to all members of a class.
What is a universal term?
The quality and quantity of the proposition - Some dogs are friendly.
What is particular and affirmative?
A syllogism with two negative premises is invalid because it breaks which rule?
What is the rule that two negative premises prove nothing?
If the middle term is not distributed at least once, the syllogism commits what fallacy?
What is the undistributed middle?
A syllogism made entirely of conditional statements is called what?
What is a pure hypothetical syllogism?