Is every argument True or false?

Is every argument True or false?

Is every argument True or false?

If a valid argument has only false premises, then it must have a false conclusion. Some invalid arguments have false conclusions but (all) true premises. Every sound argument is valid.

What is the term for valid arguments that have true premises?

A deductive valid argument has the kind of logical structure that guarantees the truth of the conclusion if the premises are true. ... The difference is that an inductively strong argument succeeds in providing probable logical support for its conclusion ,but an inductively weak one fails to provide such support.

Is every argument with a false conclusion invalid?

TRUE: A valid argument cannot have all true premises and a false conclusion. So if a valid argument does have a false conclusion, it cannot have all true premises. Thus at least one premise must be false. ... If an invalid argument has all true premises, then the conclusion must be false.

Are the arguments valid What made them so?

It is important to stress that the premises of an argument do not have actually to be true in order for the argument to be valid. An argument is valid if the premises and conclusion are related to each other in the right way so that if the premises were true, then the conclusion would have to be true as well.

When an argument is valid and its premises are true?

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. A sound argument really does have all true premises so it does actually follow that its conclusion must be true.

When the premises of a valid argument are true the argument is said to be?

A deductive argument proves its conclusion ONLY if it is both valid and sound. Validity: An argument is valid when, IF all of it's premises were true, then the conclusion would also HAVE to be true. In other words, a “valid” argument is one where the conclusion necessarily follows from the premises.

Can a sound argument have a false premise?

  • A sound argument can lead to a false conclusion if one or more of the premises is false. Example: The argument is sound, but the conclusion is false because premise 1 is false, and in fact our apple is a Granny Smith, which is quite green.

Can a valid argument have false proposition?

  • The validity of an argument is not a guarantee of the truth of its conclusion. A valid argument may have false premises that render it inconclusive: the conclusion of a valid argument with one or more false premises may be true or false. Logic seeks to discover the forms that make arguments valid.

What makes an argument valid?

  • An argument is valid if the truth of all its premises forces the conclusion to be true. An argument is valid if it would be inconsistent for all its premises to be true and its conclusion to be false. An argument is valid if its conclusion follows with certainty from its premises.

What are valid and invalid arguments?

  • A valid argument is one where the premises, if they were true, would guarantee the truth of the conclusion. Invalid arguments are ones where there could be circumstances where the premises are true but the conclusion is false. Consider these: F. 1.

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