Question #105894
When two sets A and B consist of the same elements, they are called_____sets
a.equal
b.compliment
c.union
d.difference
a.equal
b.compliment
c.union
d.difference
Expert's answer
Solution.
Two sets consisting of identical elements are called equal.
Answer. a. equal
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To answer the question 'If A=B, then A-B=' it is necessary to know the context of A and B. If A, B are numbers and A=B, then A-B=0. If A, B are sets and A=B, then A-B can be interpreted as the empty set.
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If A=B, then A-B=