If $A$ and $B$ are two sets, then $A \cap (A \cup B)'$ is equal to
$A$
$B$
$\phi $
None of these
If $U=\{a, b, c, d, e, f, g, h\},$ find the complements of the following sets:
$C=\{a, c, e, g\}$
Let $U=\{1,2,3,4,5,6,7,8,9\}, A=\{1,2,3,4\}, B=\{2,4,6,8\}$ and $C=\{3,4,5,6\} .$ Find
$A^{\prime}$
If $U=\{a, b, c, d, e, f, g, h\},$ find the complements of the following sets:
$D=\{f, g, h, a\}$
Fill in the blanks to make each of the following a true statement :
$A \cup A^{\prime}=\ldots$
If $A$ is any set, then