Triangle Similarity & Logic Retest

Front

What does the symbol ↔ mean?

Back

if and only if

Front

Identify the inverse of the statement: 'If I have a Siberian Husky, then I have a dog.'

Back

If I do not have a Siberian Husky, then I do not have a dog.

Front

What is the term for the statement that negates both the hypothesis and conclusion of a conditional statement?

Back

Contrapositive

Front

What is a counterexample? Provide an example for the statement: 'If an animal is furry, then it is a hamster.'

Back

A counterexample is an example that disproves a statement. A cat is a counterexample.

Front

What is the converse of the statement: 'If it is night, then it is dark outside.'?

Back

If it is dark outside, then it is night.

Front

Define a conditional statement.

Back

A conditional statement is a logical statement that has two parts: a hypothesis and a conclusion, typically in the form 'If P, then Q'.

Front

What is the definition of a converse?

Back

The converse of a conditional statement is formed by reversing the hypothesis and conclusion.

Front

What is the definition of an inverse?

Back

The inverse of a conditional statement is formed by negating both the hypothesis and conclusion.

Front

What is the contrapositive of the statement: 'If it rains, then the ground is wet.'?

Back

If the ground is not wet, then it does not rain.

Front

What is a logical fallacy?

Back

A logical fallacy is an error in reasoning that renders an argument invalid.