Question: Show that |A B| = |A| + |B| - |A B|.....this is called the inclusion - exclusion Principle) (More Difficult Problem).....inclusion - exclusion for 3
Show that |A B| = |A| + |B| - |A B|.....this is called the "inclusion - exclusion Principle) (More Difficult Problem).....inclusion - exclusion for 3 sets Show that |A B C| = |A| + |B| + |C| - |A B| - |A C|- |B C| + |A B C|
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