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I believe minus A in this case means the complement of A; everything that is NOT in the set A. Taken from some larger, given, set, of course, of which both A and minus A are subsets.I believe minus A in this case means the complement of A; everything that is NOT in the set A. Taken from some larger, given, set, of course, of which both A and minus A are subsets.I believe minus A in this case means the complement of A; everything that is NOT in the set A. Taken from some larger, given, set, of course, of which both A and minus A are subsets.I believe minus A in this case means the complement of A; everything that is NOT in the set A. Taken from some larger, given, set, of course, of which both A and minus A are subsets.
The complement of a set S, relative to the universal set U, consists of all elements of U that are not in S.
The answer depends on what the set UR is!
Yes.
they are not the same elements.