题目内容

Determine whether the following argument is valid or not. “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.” ( )

A. valid
B. invalid

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Determine whether the following argument is valid or not. “A convertible car is fun to drive. Isaac’s car is not a convertible. Therefore, Isaac’s car is not fun to drive.” ( )

A. valid
B. invalid

Determine whether the following argument is valid or not. “Quincy likes all action movies. Quincy likes the movie Eight Men Out. Therefore, Eight Men Out is an action movie.” ( )

A. valid
B. invalid

Determine whether the following argument is valid or not. “All lobstermen set at least a dozen traps. Hamilton is a lobsterman. Therefore, Hamilton sets at least a dozen traps.” ( )

A. valid
B. invalid

What rule of inference is used in the argument “If I go swimming, then I will stay in the sun too long. If I stay in the sun too long, then I will sunburn. Therefore, if I go swimming, then I will sunburn.” ( )

A. Modus ponens
B. Modus tollens
C. Hypothetical syllogism
Disjunctive syllogism
E. Addition
F. Simplification
G. Conjunction
H. Resolution

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