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.” ( )
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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
What rule of inference is used in the argument “Kangaroos live inAustralia and aremarsupials. Therefore, kangaroos are marsupials.”( )
A. Modus ponens
B. Modus tollens
C. Hypothetical syllogism
Disjunctive syllogism
E. Addition
F. Simplification
G. Conjunction
H. Resolution