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Validity and Soundness in Arguments
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Validity
Validity in an argument means that if the premises are true, the conclusion must also be true. It's a matter of the argument's formal structure, not the actual truth of the premises. An argument is assessed for validity by examining the logical form and ensuring that it's impossible for all the premises to be true while the conclusion is false.
Soundness
Soundness is a property of a valid argument where, in addition to being valid, all its premises are actually true. Hence, a sound argument guarantees the truth of the conclusion. To assess an argument for soundness, one must first determine that it is valid, and then further investigate the truth of its premises.
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