OpenStudy (anonymous):

Is the following definition of dog reversible? If yes, write it as a true biconditional. A dog is a mammal. O The reverse is false. O The reverse is true. An animal is a dog if (and only if) it is a mammal. O The reverse is true. An animal is a mammal if (and only if) it is a dog. O The reverse is true. If an animal is a dog, then it is a mammal.

6 years ago
OpenStudy (anonymous):

It is false. Most mammals are not dog's. Being a mammal does not make something a dog.

6 years ago
OpenStudy (anonymous):

Yeah but the statement is say "A dog is a mammal" which is true..

6 years ago
OpenStudy (anonymous):

But the other statements confuse me -_-

6 years ago
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