There are many ways to make sure an argument is good. To make sure an argument is good one should take the three test to make sure. An argument is good if the "premises are plausible," "premises are more plausible than the conclusion," and "the argument is valid or strong (Epstein, pg.42.)"
For example : The best team in the NBA wins the championship. The Boston Celtics have won a total of 17 championship titles. Because the Boston Celtics have the most championship wins under their belt, they are the best.
Test for a good argument:
1. Premises are plausible.
Only the best teams in the NBA make it to the championships. The team must win in their division and in their conference before they are allowed to play in the championship.
2. Premises are more plausible than the conclusion.
It is very plausible that the Boston Celtics is the best team in the NBA but if they were the best team, they would have won the championship title during last years season. Sadly they did not.
3. The argument is valid or strong
This argument is false because the LA Lakers have won the championship titles that last two years in a row.
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