Let S,T be a subset of R^n. Show that ( SUT)' = S'UT'. U is the union of S and T. Some help with the above question would be greatly appreciated.
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Ah... perhaps it would help if I mentioned that the above is a "derived set".
I am very distraught right now... this question is quite stressful and I am trying to solve this question to study for a test. Any quick help would be very helpful!
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