Question

What is Equality (of sets)?

Answer

Equality (of sets) is a Set A and B are equal if they consists of the same element.
$\mathrm{For\; example \; \; \; }A=\left\{\mathrm{a,b,c}\right\};$
$B=\left\{\mathrm{a,b,c,c,a,b}\right\}\mathrm{ then\; A}=B.$

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