Laws of Logic

Front

What is the Law of Syllogism?

Back

The Law of Syllogism states that if 'A implies B' and 'B implies C', then 'A implies C'.

Front

Define a valid argument in logic.

Back

A valid argument is one where if the premises are true, the conclusion must also be true.

Front

What is a premise in logical reasoning?

Back

A premise is a statement or proposition that provides the foundation for an argument.

Front

What does it mean if two angles are supplementary?

Back

Two angles are supplementary if the sum of their measures is 180 degrees.

Front

What is the Contrapositive of a statement?

Back

The contrapositive of 'If A, then B' is 'If not B, then not A'.

Front

Explain the difference between a conclusion and a premise.

Back

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

Front

What is the Converse of a statement?

Back

The converse of 'If A, then B' is 'If B, then A'.

Front

What is an example of a logical fallacy?

Back

A logical fallacy is an error in reasoning, such as 'ad hominem', where one attacks the person instead of the argument.

Front

What does it mean for an argument to be invalid?

Back

An argument is invalid if the conclusion does not logically follow from the premises.

Front

What is a disjunction in logic?

Back

A disjunction is a logical operation that results in true if at least one of the statements is true.