Look at the statement below.
“All dogs are mammals.”
Which of these is a logically equivalent statement?
Answer
A. All dogs are furry.
B. If it is not a dog, it is not a mammal.
C. If it is not a mammal, it is not a dog.
D. All animals that are not dogs are not mammals.
1 answer
C. If it is not a mammal, it is not a dog.
36 answers