Philosophy / Philosophy 0021 · Atom · ~20 seconds
Soundness
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State
A sound argument is a valid argument whose premises are all true. Soundness guarantees a true conclusion.
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"All humans are mortal. Socrates is human. So Socrates is mortal." Valid, with true premises—sound.
Watch for
Valid but unsound is common. Checking the connection is half the work; checking the premises is the rest.