C-02-Q048mediumsingle_mcq
Two sets and are equal if and only if—
Two sets and are equal if and only if—
- a only
- b only
- c and
- dthey have different elements
ব্যাখ্যা
Two sets are equal exactly when they contain precisely the same elements, which is captured by mutual inclusion: and together force them to have identical elements. Either inclusion alone is not enough to guarantee equality.