Validity

A deductive argument is valid when its premises cannot all be true while its conclusion is false. Validity alone does not establish true premises.

Key question

Could the premises be true and the conclusion false?

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Find an example, an application and a limit. Explain the concept without using its name, then compare your explanation with a primary source.

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Claims to examine

  • An argument’s form and the truth of its premises need separate checks.

    Editorial claim · workingExamine the source →

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