Question: (Discrete Math) Show that if A, B, and C are sets, then: |A B C| = |A| + |B| + |C| |A B| |A C|

  1. (Discrete Math) Show that if A, B, and C are sets, then: |A B C| = |A| + |B| + |C| |A B| |A C| |B C| + |A B C|.

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