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pls show this using set identities/logical equivalences. 1. [5 marks] Prove for any sets A and B that A - B = An B by

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pls show this using set identities/logical equivalences.

1. [5 marks] Prove for any sets A and B that A - B = An B by giving a containment proof (that is, prove that the left side is a subset of the right side and that the right side is a subset of the left side)

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