Thursday, September 9, 2010

Strong vs. Valid Arguments

An argument is strong if it is possible for the premise to be true but have the conclusion false. An argument is valid when the premise is true as well as the conclusion. A valid or strong argument does not depend on one's judgment on whether he or she thinks it is valid or strong. An argument is bad if there is no reason to believe the premises. An argument is also bad if the premises is not plausible than the conclusion.

Strong argument
Every si , rsx, and gsr manufactured by Honda that I know of has a dohc v-tech motor.
Therefore, all manufactured Honda si, rsx and gsr's has a dohc v-tec motor.

Valid argument
Honda only manufactures dohc v-tech motors for si, rsx and gsr.
Therefore, all manufactured Honda si, rsx and gsr's has a dohc v-tec motor.

Both of the premises are true and the conclusions follows the arguments.

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