Question 32
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 $\{1,2, \ldots, 2017\}$ are good?
MathNet 2017-part-07 — 172 problems (EN–VI) Question 32
Math Olympiad Vault · MathNet 2017-part-07 — 172 problems (EN–VI)