However, attacking a logically stronger position than that taken by the opponent is a sign of strength, whereas attacking a straw man is a sign of weakness. A common straw man is an extreme man. Extreme positions are more difficult to defend because they make fewer allowances for exceptions, or counter-examples. Most P are Q . Many P are Q .
Some P are Q .
Some P are not Q . Many P are not Q . Most P are not Q . No P are Q . These are easiest to refute, since all it takes is a single counter-example to refute a universal proposition .