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November 25th, 2016, 12:19 AM   #1
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Any hint in how to simplify a set theory expression

Simplify
$\overline {\overline{(A \cup B) \cap C} \cup \overline B}$

I'm encountering difficulty with this question. I find it really difficult to understand sets in general when I go to my classes. Could someone please explain this to me? I am not looking for a straight answer, just hoping on some useful guidance and information to help me understand the question better, and how to solve it. Here is a link to the question in a tab.

https://instructure.codecogs.com/png...verline%20B%7D

Thanks!

Last edited by skipjack; November 25th, 2016 at 07:30 PM. Reason: to use your latex code
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November 25th, 2016, 08:24 PM   #2
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You need to know these rules: $\displaystyle \overline{A \cap B} = \overline{A} \cup \overline{B}$ and $\displaystyle \overline{A \cup B} = \overline{A} \cap \overline{B}$, and the rules here.
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