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Mathematics 17 Online
OpenStudy (anonymous):

Make a deduction from the two given statements. 1.) All cows have tails. 2.) Jersey is a cow. Jersey has a tail. All cows are named Jersey. Animals that have tails are cows.

OpenStudy (binary3i):

what do you think?

OpenStudy (anonymous):

c

OpenStudy (unklerhaukus):

doh

OpenStudy (unklerhaukus):

|dw:1373268717309:dw|

OpenStudy (unklerhaukus):

|dw:1373268742420:dw|

OpenStudy (unklerhaukus):

|dw:1373268762726:dw|

OpenStudy (binary3i):

see it says all cows have tails not all what have tail is a cow. there fore c is not correct thanks for the digram unkule

OpenStudy (anonymous):

soo a ?

OpenStudy (unklerhaukus):

|dw:1373268819566:dw|

OpenStudy (binary3i):

yeah a. because jessy is a cow not all cows are jessy but jessy is a cow and coys have tail so jessy has tail

OpenStudy (binary3i):

oh sorry jersey

OpenStudy (binary3i):

buttercup lol

OpenStudy (unklerhaukus):

buttercup is another cow, we can deduce that buttercup has a tail

OpenStudy (binary3i):

lol

OpenStudy (unklerhaukus):

What happens (according to diagram) if we remove buttercups tail?

OpenStudy (binary3i):

buttercup stands with spoons

OpenStudy (binary3i):

and the curcle of cow will not be a complet sub set

OpenStudy (unklerhaukus):

buttercup is no longer a cow, because all cows have tails

OpenStudy (binary3i):

oh yeah.

OpenStudy (binary3i):

so than is it a dog with out tail

OpenStudy (unklerhaukus):

it could be

OpenStudy (binary3i):

enjoy

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