Ok guys, for any 2 non-empty sets X and Y drawn from the same univserse, U, let Z be defined

Therefore,

I need to prove Z could equal Ø.

Also, Z can equal U.

Thanks for any help.

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- April 7th 2011, 12:19 PMKostapoulousSet Theory Help.
Ok guys, for any 2 non-empty sets X and Y drawn from the same univserse, U, let Z be defined

Therefore,

I need to prove Z could equal Ø.

Also, Z can equal U.

Thanks for any help. - April 7th 2011, 12:28 PMPlato
- April 7th 2011, 12:35 PMemakarov
iff .

iff and . - April 7th 2011, 12:35 PMKostapoulous
- April 7th 2011, 12:40 PMPlato
- April 7th 2011, 01:38 PMKostapoulous
- April 7th 2011, 01:48 PMPlato
- April 7th 2011, 01:59 PMKostapoulous