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A '''valid argument''', in [[formal logic]], one in which the conclusion is correctly derived from the premises.

A '''valid argument''', in [[formal logic]], one in which the conclusion is correctly derived from the premises.

{{quotebox|A deductive argument is said to be valid when the inference from premises to conclusion is perfect. [http://www.google.com/url?sa=t&ct=res&cd=4&url=http%3A%2F%2Fwww.philosophypages.com%2Flg%2Fe01.htm&ei=bmLhR-jcEpyEygSC_KHZCQ&usg=AFQjCNGAdQx_uQsww5UmvYyOy8eUkMkrGA&sig2=t_MZ8Dqpj6mfQWYpq_aYjA]}}

{{quotebox|A deductive argument is said to be valid when the inference from premises to conclusion is perfect. [http://www.philosophypages.com/lg/e01.htm] }}