Even if X contains Y, there is no need to call Y X.

A "Hey, human!" B "What a creature."

You're sorting things out and you think, "Hey, doesn't this list Y all go on list X?" Sometimes I think, "Hey, doesn't this list Y all go on list X?

• Talking about whether to move the contents A,B,C of list Y to X at this time.
• For a moment you think that is a good thing, but then you take it to the extreme and it becomes "Mr. Tanaka is an organism, and Yakult bacteria are also organisms", futile!
• A "set that encompasses many things" is also "a low-resolution way of cognition." see Cognitive Resolution.
  • Not too happy with book tags on all books.
  • Related Close phase.
• choosing the wrong two options for "put A in X or Y." - Container metaphor and road metaphor captured in
  • Physical objects only fit in one box, so you have to think, "Which box should I put it in?"
  • But electronic information can be put in both.
  • The key question is, "Are all the elements of Y elements of X?"
    • If that's really the case, then there's no need for a human to do the work of putting in both X and Y.
    • When you're in Y, you're supposed to be in X.
    • If you want to get to A when you see X, all you need is a path (link) from X to Y

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