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1. www.reddit.com › r › askmathHelp with Sets Operations : r/askmath - Reddit

   www.reddit.com › r › askmath

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   There is a parenthesis missing, or one of the union/intersections is the wrong way. A ∩ B ∪ C has two different meanings based on the parenthesis.. A ∩ (B ∪ C) are all elements that are in A and at least one of B or C, while (A ∩ B) ∪ C are all elements that are in C or are in both A and B . But once that is fixed, you can use the rules of how complements distribute (here I use ^C ...