Recent content by eddiep1993

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    Graduate Can Disjoint Sets Help Prove Subset Relations in Set Theory?

    I am currently reading vellemans how to prove it for the purpose of being able to construct a proof on my own. I would like to carry on this knowledge to also help me out with spivaks calculus So the problem is: Prove that if a and b\c are disjoint, then a\bigcapb\subseteqc. 1.goal...