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| Math Central | Quandaries & Queries |
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Question from Tracy, a student: Suppose C is the subset of D and D is the subset of C. If n(c)=5, find n(D) What other relationship exists between sets C and D? |
Tracy,
If C is a subset of D and D is a subset of C then it seems to me that C and D are equal. How would you prove that C and D are equal?
Penny
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