billswift comments on Pound of Feathers, Pound of Gold - Less Wrong

2 Post author: Annoyance 23 October 2009 05:48PM

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Comment author: komponisto 23 October 2009 08:51:41PM *  5 points [-]

Which weighs more: a pound of feathers, or a pound of gold?

[...rationality discussion...]

I must be missing something. I thought the point of this riddle was the difference between avoirdupois and Troy weight -- a simple matter of (rather esoteric) factual knowledge not contained in the structure of the question.

Comment author: billswift 23 October 2009 10:30:42PM *  0 points [-]

Another way of looking at it is an ambiguity between two close but not identical meanings of "pound". Which is why it is tricky, not really because it's esoteric. Also, it's not really all that esoteric, most people learn about the difference as kids, mostly through this riddle.