Question: 9. (Rosen 2.2.18) Let A, B, and C be sets. Without using a membership table prove the following 4 points equivalence. You must explicitly state

9. (Rosen 2.2.18) Let A, B, and C be sets. Without

9. (Rosen 2.2.18) Let A, B, and C be sets. Without using a membership table prove the following 4 points equivalence. You must explicitly state the set identities used in the proof. (a) (AUB) S (AUBUC) Page 3 b) (AnBnC)S(AnB)

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