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 Mar4 comment Definition Of Symmetric Difference So, if I wanted to prove that $A⊕B=(A−B)∪(B−A)$ is true, I could state that, by definition, it is true; and then give a little rationale on why it is true? Mar4 comment Definition Of Symmetric Difference Oh, yes. I see the mistake, now. Mar4 comment Definition Of Symmetric Difference Really, that's one way of defining it? It seems odd that the book wants me to prove that $A⊕B=(A−B)∪(B−A)$, seeing as it is the definition... Mar4 revised Definition Of Symmetric Difference deleted 9 characters in body Mar4 asked Definition Of Symmetric Difference Mar4 accepted Differentiating piecewise functions. Mar3 comment Differentiating piecewise functions. Well, the domain is expressed using intervals, so yes. Mar3 asked Differentiating piecewise functions. Mar2 accepted Determining Whether A Vector-Valued Functions Lies On A Cone Mar1 accepted Erroneous Answer Key? Mar1 comment Erroneous Answer Key? I am terribly sorry for the mistakes on my part. Thank you for informing me. Mar1 revised Erroneous Answer Key? edited body Mar1 asked Erroneous Answer Key? Mar1 comment Proving Complement Laws Hmm, how interesting. I wonder what there apprehension was of toward using it. Mar1 comment Proving Complement Laws Well, I am not familiar with intuitionistic logic, but I'll presume that being referred to as an intuitionist is a complement! Mar1 accepted Negative Binomial Question Without Exact Values Mar1 accepted Vector Function Magnitude Mar1 accepted Exposition On An Integral Of An Absolute Value Function Mar1 accepted Dot Product Of Vector Functions Mar1 accepted Representing A Plane Curve By A Vector Valued Function