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There is only one proper subset of |
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Answer» Answer: A proper subset of a set A is a subset of A that is not EQUAL to A. In other words, if B is a proper subset of A, then all ELEMENTS of B are in A but A contains at LEAST one element that is not in B. For EXAMPLE, if A={1,3,5} then B={1,5} is a proper subset of A. The set C={1,3,5} is a subset of A, but it is not a proper subset of A since C=A. The set D={1,4} is not even a subset of A, since 4 is not an element of A. |
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