false (A chimpanzee, for example, may have two arms, but it is not a human being.) false (A war veteran may have lost both his arms, but he is a human being even so.) false (A person may want to win a ...

For the answers, click on "Answers" at the bottom of this page (after question #22). x's being a square is a sufficient condition for x's being a rectangle. x's being a square is a necessary condition ...