$$\xi=\{1,2,\ldots,8\}, \qquad A=\{2,4,6,8\}, \qquad B=\{2,3,5,7\}.$$ Place every element once in th

Question

$$\xi=\{1,2,\ldots,8\}, \qquad A=\{2,4,6,8\}, \qquad B=\{2,3,5,7\}.$$ Place every element once in the Venn diagram. List A′

Accepted Answer

(a) A only: $4,6,8$; both: $2$; B only: $3,5,7$; outside: $1$ (b) $\{1,3,5,7\}$

Sets