C-02-Q064mediumsingle_mcq
For any set and universal , equals—
For any set and universal , equals—
- a
- b
- c
- d
ব্যাখ্যা
Taking the complement twice restores the original set, since elements excluded the first time are re-included the second. Thus .
For any set and universal , equals—
Taking the complement twice restores the original set, since elements excluded the first time are re-included the second. Thus .