Rikki added p_To_clear_this_up__.html  over 8 years ago

Commit id: 09e15aeab0052e8f110ef5526c9ff98ff6312d97

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To clear this up, lets look at an example.  Let set \(A\)=\(\left\{10,11,12\right\}\) and set \(B=\left\{11,12,13,14\right\}\).