Determine whether the following arguments are valid or invalid (6)

i) 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.

ii) A convertible car is fun to drive. Isaacs car is not aconvertible. Therefore, Isaacs car is not fun to drive.

iii) Quincy likes all action movies. Quincy likes the movieEight Men Out. Therefore, Eight Men Out is an

actionmovie.

b) Use diagrams to show the validity of the following argument: (3)

All human beings are mortal

Zeus is not mortal

\ Zeus is not a human being