Does a strong argument have to have a true conclusion?

Does a strong argument have to have a true conclusion?

Does a strong argument have to have a true conclusion?

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. ... So if a valid argument does have a false conclusion, it cannot have all true premises.

Do all weak arguments have false conclusions?

A weak argument must have a false conclusion. Some inferential claims are false. Deductive arguments with all true premises are sound. If an argument is valid and has false premises, then the conclusion cannot be true.

Are all strong arguments valid?

If an argument has all true premises and a true conclusion, then it must be valid. If an argument has all false premises and a false conclusion, then it must be invalid. It is possible to have a valid argument with all true premises and a false conclusion. ... All strong arguments are valid.

What makes a strong argument?

Definition: A strong argument is a non-deductive argument that succeeds in providing probable, but not conclusive, logical support for its conclusion. A weak argument is a non-deductive argument that fails to provide probable support for its conclusion.

Can a strong argument have false premises?

A valid argument can have false premises; and it can have a false conclusion. But if a valid argument has all true premises, then it must have a true conclusion. ... A sound argument is both valid and has all true premises.

Do all weak arguments have false premises?

If an argument is invalid, then it must have at least one false premise. If an argument has a conclusion that is certainly false, then the argument must be invalid. If the premises and conclusion are all false, the argument must be invalid. Some invalid arguments have true premises and a true conclusion.

Do all unsound arguments have false conclusions?

If an argument has true premises and a true conclusion, then it is sound. ... No unsound arguments have a false conclusion. T F 11. If the conclusion of a valid argument is false, then at least one of its premises is false.

Are all persuasive arguments valid?

No, not all persuasive arguments are valid. "To persuade someone of something is to influence her opinion by any number of means, including emotional appeals, linguistic or rhetorical tricks, deception, threats, propaganda, and more. Reasoned argument does not necessarily play any part at all in persuasion" (50).

What makes an argument valid?

Valid: an argument is valid if and only if it is necessary that if all of the premises are true, then the conclusion is true; if all the premises are true, then the conclusion must be true; it is impossible that all the premises are true and the conclusion is false. ... All deductive arguments aspire to validity.

Is there an argument that has a true conclusion?

  • The above is an example of an argument that has true premises and a true conclusion. However, it is not a sound argument, because the conclusion does not logically follow from the premises; the minor premise is unrelated to the major premise. This makes the argument invalid, and a sound argument must be valid and have true premises.

Is the premise of an argument true or false?

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

What makes an argument a valid deductive argument?

  • If an argument is valid, then it must have at least one true premise. a. True b. False Every valid argument is a sound argument. a. True b. False The following is a valid deductive argument: If it snows, then we will go sledding, just like when we were kids.

What does it mean when an argument is sound?

  • An argument's being sound implies that it is valid. Every inductively strong argument is cogent. Nice work! You just studied 56 terms! Now up your study game with Learn mode.

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