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Finite Chapter 6.2

# Finite Chapter 6.2 - true sometimes but not usually…...

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Math 120 SP08 SBrodnick 1 1 6.2 : Cardinality 2 6.2: Cardinality * Cardinality of set A is # of elements in A, denoted n(A) * How to compute n(AυB) ? intuitively, n(AυB) = n(A) + n(B)
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Unformatted text preview: true sometimes, but not usually… * n(AυB) = n(A) + n(B) – n(A ∩ B) * (just need 3 of these values -plug into this formula to find the 4 th )...
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