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Mathematics 43 Online
OpenStudy (anonymous):

Am I right? “All dogs are mammals.” Which of these is a logically equivalent statement? All animals that are not dogs are not mammals. If it is not a dog, it is not a mammal. All dogs are furry. If it is not a mammal, it is not a dog.

OpenStudy (anonymous):

no this is in my geometry class

OpenStudy (swissgirl):

its the last statement if P then Q is equivalent to if not q then not P

OpenStudy (anonymous):

no, you are wrong , counter example , human are mammal but most of the time they are not dog

OpenStudy (anonymous):

Technically none of these options are right.

OpenStudy (anonymous):

haha yeah thats the one i meant. i put the wrong one i did choose the last one

OpenStudy (swissgirl):

Its the last statement

OpenStudy (anonymous):

thanks :)

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