4. a. Is 3 € {1,2,3}?
b. Is 1 € {1}?
c. Is {2} {1,212
d. Is {3} € {1,{2}, {3}}?
e. Is l {1}?
f. Is {2} ${1,{2},{}?
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4. a. Is 3 € {1,2,3}?
b. Is 1 € {1}?
c. Is {2} {1,212
d. Is {3} € {1,{2}, {3}}?
e. Is l {1}?
f. Is {2} ${1,{2},{}?
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Answer:
B answer bbbbb
Step-by-step explanation:
B answer. Bbbbbb
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