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Kenneth Rosen Edition 7 Exercise 2.2 Question 36 (Page No. 137)

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Symmetric difference or Boolean sum:

$A\triangle B / A\oplus B = \left\{x \ \mid x\in A  \ \text{or} \  x\in B \ \text{but}  \ x\notin A\cap B \right\}$

  • $A\triangle B = A\oplus B  = (A-B)\cup(B - A) $
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