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Geometry 24 Online
OpenStudy (anonymous):

"All dogs are mammals." Which of these is a logically equivalent statement? a. All animals that are not dogs are not mammals. b. If it is not a dog, it is not a mammal. c. All dogs are furry. d. If it is not a mammal, it is not a dog.

OpenStudy (anonymous):

A is the answer just saying the same thing other way around.

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