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Suppose A and B are nonempty finite sets and
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To prove:
Explanation of Solution
Given Information:
Suppose A and B are nonempty finite sets and
Explanation:
Proof:
By Principle of Inclusion-Exclusion,
A finite set,
Where the first sum is over all i, the second is over all pairs i, j with
By the Principle of Inclusion-Exclusion we have,
Since,
Thus,
Therefore,
Hence,
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Chapter 6 Solutions
Discrete Mathematics with Graph Theory
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