how do we know that the conclusion of a sound argument is true and course hero

by Miss Catalina Pollich 8 min read

We can know that the conclusion of a sound argument is true if all the premises are true and related to it's conclusion. Log in for more information. Added 317 days ago|8/4/2021 3:50:18 AM

Full Answer

How do we know that the conclusion of a sound argument is true?

A sound argument must have a true conclusion. TRUE: If an argument is sound, then it is valid and has all true premises. Since it is valid, the argument is such that if all the premises are true, then the conclusion must be true.

What is true about sound arguments?

A sound argument is one that is not only valid, but begins with premises that are actually true. The example given about toasters is valid, but not sound. However, the following argument is both valid and sound: In some states, no felons are eligible voters, that is, eligible to vote.

Do sound arguments have to be true?

A sound argument is both valid and has all true premises. Since a sound argument is valid, it is such that if all the premises are true then the conclusion must be true. Since a sound argument also has all true premises, it follows that a sound argument must have a true conclusion.

How do you know if it is a sound argument?

Soundness: An argument is sound if it meets these two criteria: (1) It is valid. (2) Its premises are true. In other words, a sound argument has the right form AND it is true. Note #3: A sound argument will always have a true conclusion.

Why is sound argument defined as valid and has true premises?

Sound Arguments It's trying to establish conclusive support for its conclusion. Secondly, the argument is valid: the premises, if true, would guarantee that the conclusion is also true. And on top of all that, the premises are actually true. Therefore, a sound argument guarantees that its conclusion is true.

What makes an argument valid or sound?

An argument form is valid if and only if whenever the premises are all true, then conclusion is true. An argument is valid if its argument form is valid. For a sound argument, An argument is sound if and only if it is valid and all its premises are true.

Can you have a sound argument that has a false conclusion?

If a valid argument has a false conclusion, then it is unsound. A sound argument must have both a valid form and true premises. When a valid argument has a false conclusion, it must also have at least one false premise. Thus, a valid argument with a false conclusion will also be unsound.

Does the conclusion of a valid argument have to be true?

All valid arguments have all true premises and true conclusions. All sound arguments are valid arguments. If an argument is valid, then it must have at least one true premise. Every valid argument is a sound argument.

Can an invalid argument have true premises and a true conclusion?

Invalidity is a no guarantee of a true conclusion when the premises are true. True premises can lead to either a true or a false conclusion in an invalid argument. In these examples, luck rather than logic led to the true conclusion.

What's a sound argument?

Sound argument is argument that is valid and whose premises are all true. In other words, the premises are true and the conclusion necessarily follows from them, making the conclusion true as well.

How can you tell if an argument is sound quizlet?

How can you tell if an argument is sound? It is valid and has true premises. It has two premises and a conclusion. It has valid reasoning.

Which of the following best describes a sound argument?

A sound argument is a valid argument with true premises. Which of the following best describes a premise of an argument: 1. a reason for accepting the conclusion of an argument.