Difference between revisions of "Sound argument"

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Revision as of 06:56, 23 January 2011

Wikipedia has an article about

Sound logic is Valid_logic that also has true premises. In other words, the premises are true and the conclusion necessarily follows from them, making the conclusion true as well. For example, the following syllogism:

All multiples of ten are multiples of five. (True premise/All A are B)

30 is a multiple of ten. (True premise/C is A)

Therefore, 30 is a multiple of 5. (True conclusion/Therefore, C is B.)

See also