Good argument, as used by philosophers and many others, means simply a sound or strong argument. If one has offered a sound or strong argument in defense of one's conclusion, then one has stated a true view, or at least a probably true view. The premises of one's argument support, or, with some sophisticated complications aside, justify one's belief in the conclusion. That is why good arguments are so important: a good argument is the closest thing we have to a guarantee that a belief is true. If one is armed with a good argument, one has helped to justify one's belief in the conclusion, and to remove doubts about it.
All good arguments is a good argument... Duh!!!
- Water freezes at 0° Celsius
- Therefore, water is not good to your health...