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Mathematics 9 Online
OpenStudy (anonymous):

Read the statement shown below. “If Maya is in the cafeteria, then Judy is in the classroom.” Which of these is logically equivalent to the above statement? If Judy is not in the classroom, then Maya is not in the cafeteria. If Judy is in the classroom, then Maya cannot be in the cafeteria. If Maya is not in the cafeteria, then Judy must be in the classroom. If Maya is in the cafeteria, then Judy cannot be in the classroom.

OpenStudy (anonymous):

You get a medal and a fan if correct

OpenStudy (anonymous):

This statement is saying that Judy must be in the classroom if maya is in the cafeteria right?

OpenStudy (anonymous):

@GreenBeanDemphsey @swissgirl @Loujoelou @melody16 @leahhbe @Loser66 please help

OpenStudy (anonymous):

@lann6225 I don't think so I think the first two are wrong @wesdg1978

OpenStudy (blurbendy):

If Judy is not in the classroom, then Maya is not in the cafeteria.

OpenStudy (blurbendy):

because the contrapositive is equal to the original statement

OpenStudy (loser66):

1 vote for blurbendy

OpenStudy (blurbendy):

hehe, thanks

OpenStudy (anonymous):

how is this math ? lol

OpenStudy (loser66):

this math is called "discrete" math.

OpenStudy (anonymous):

how would this look as an equation ?

OpenStudy (loser66):

p-->q = ~q-->~p

OpenStudy (loser66):

it's boolean algebra. friend.

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