Three Set formula

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by vkb001 » Wed Jan 30, 2013 5:59 pm
All are wrong.

n(AuBuC) = n(A) + n(B) + n(C) - n(AnB) - n(BnC) - n(AnC) + n(AnBnC)

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by ELIAS ANDREW » Sun Feb 03, 2013 9:18 am
Thanks for your good formula.