Critical Thinking Quiz 5 - Validity

The following argument is valid: (1) If Marla buys a house in the country, she will be happier and healthier; (2) Marla is buying the house in the country; (C) Therefore, she will be happier and healthier.

• True

• False

The following argument is valid: (1) Someone is sick; (2) Someone is unhappy; (C) Therefore, someone is sick and unhappy.

• True

• False

The following argument is valid: (1) All fruit is a chair; (2) Square is a chair; (C) Therefore, Square is a fruit.

• True

• False

If the premises of a valid argument are true, then the conclusion must be true as well.

• True

• False

The following argument is valid: (1) John either drove home or stayed late; (2) John didn’t drive home; (C) Therefore, John stayed late.

• True

• False

Validity applies to which type of argument?

• ampliative

• true

• deductive

• appealing

An argument is valid if and only if...

• the truth of its premises guarantees the truth of its conclusion.

• it is good.

• its premises and conclusion are true.

• appealing