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Omni-MATH / An ordered pair of sets (A,B) is good if A is not a subset of B and B is not a subset of A. How many ordered pairs of subsets of 1,2,…,2017 are good? · Discussion

Discussing An ordered pair of sets (A,B) is good if A is not a subset of B and B is not a subset of A. How many ordered pairs of subsets of {1,2,…,2017} are good? · Omni-MATH

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