Ex. 6. For each of these arguments determine whether the argument is correct or incorrect and explain why. a) Everyone enrolled in the university has lived in a dormitory. Mia has never lived in a dormitory. Therefore, Mia is not enrolled in the university. b) A convertible car is fun to drive. Isaac's car is not a convertible. Therefore, Isaac's car is not fun to drive. c) Quincy likes all action movies. Quincy likes the movie Eight Men Out. Therefore, Eight Men Out is an action movie. d) All lobstermen set at least a dozen traps. Hamilton is a lobsterman. Therefore, Hamilton sets at least a dozen traps.

A) True

B) False

C) False

D) True

Step-by-step explanation:

A) Everyone enrolled in the university has lived in a dormitory. Mia has never lived in a dormitory. Therefore, Mia is not enrolled in the university.

True, because if Mia is enrolled in the university, then she must have lived in a dormitary.

B) A convertible car is fun to drive. Isaac's car is not a convertible. Therefore, Isaac's car is not fun to drive.

False, it is known that all convertible cars are fun to drive, but there is no information about inconvertible cars. Some of them may be fun to drive.

C) Quincy likes all action movies. Quincy likes the movie Eight Men Out. Therefore, Eight Men Out is an action movie.

False, Quincy likes all action movies, but also can like another movies. It is not said Quincy likes only action movie, so Eight Men Out can appear to be not action movie.

D) All lobstermen set at least a dozen traps. Hamilton is a lobsterman. Therefore, Hamilton sets at least a dozen traps.

True, Hamilton is a lobsterman and as all lobstermen he set at least a dozen traps.