Question: I need help with these discrete math questions: (a) Give an example showing that subtraction is not associative: A - (B - C) (A -

I need help with these discrete math questions:

(a) Give an example showing that subtraction is not associative: A - (B - C) (A - B) - C.

Use the set identities given in the table to prove the following new identities. Label each step in your proof with the set identity used to establish that step.

I need help with these discrete math questions: (a) Give an example

(B u A) n (BUA) A

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