(Solved):
7. Find the power set of these sets: (1) \( \{0,1,2\} \) (2) \( \mathrm{A}=\{1,2\}, \mathr ...
7. Find the power set of these sets: (1) \( \{0,1,2\} \) (2) \( \mathrm{A}=\{1,2\}, \mathrm{B}=\{\mathrm{a}, \mathrm{b}, \mathrm{c}\} \) (3) \( \{\varnothing,\{\varnothing\}\} \)