Is \\(\leq\\) properly defined in **Puzzle 193**? I think we should have \\(I\leq S\\) for all \\(S\in P(X)\\), but it is not true that \\(X\subseteq S\\) (unless \\(X=S\\)). If, instead, we use the reverse inclusion, I think \\(P(X)\\) is not a closed monoidal poset.