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Write the following statement in set language. \[\] The cardinal number of the intersection of sets A and B is equal to the sum of the cardinal numbers of the sets A and B less the cardinal number of the union of the sets A and B.

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n(A $ \cap $B) = n (A) + n(B) – n(A $ \cup $ B)
answered Jun 24, 2014 by thanvigandhi_1

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