I Q#3: What rule of inference is used in each of these arguments? a) Kangaroos live in Australia and are marsupials. Therefore, kangaroos are marsupials. b) It is either hotter than 100 degrees today or the pollution is dangerous. It is less than 100 degrees outside today. Therefore, the pollution is dangerous. c) Linda is an excellent swimmer. If Linda is an excellent swimmer, then she can work as a lifeguard. Therefore, Linda can work as a lifeguard. d) All men are mortal. Socrates is a man. Therefore, Socrates is mortal. e) No man is an island. Manhattan is an island. Therefore, Manhattan is not a man