4. Proving by Example. Let U := { x | 0 < x < 10}, A = { 1 € U|x is odd), and B:= {xe U|x is even}. (a) Using A and B show that De Morgan's Law is true. (b) Using A and B Show that the remark number 7 on the lecture on inter- sections of Set is true.

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A: Solution :-

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A: According to our guidelines we can answer only one question and rest can be reposted.

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