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Elementary Set Theory (Discrete)
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[QUOTE="rmiller70015, post: 5510455, member: 281740"] [h2]Homework Statement [/h2] Suppose A⊂B⊂C. What is A/B, A/C, and A∪B [h2]Homework Equations[/h2][h2]The Attempt at a Solution[/h2] This isn't really a homework question, I am just trying to get some exposure to discrete math before I take it in the fall. The set differences A/B and A/C are both empty sets and the 'or' set is B. I understand the last part, but I'm unsure of why A/B and A/C are empty sets. I understand it has something to do with x∈A but x∉B or C as part of the definition of a set difference. I just need someone to explain it to me. [/QUOTE]
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