Let’s say we gather the usual suspects, down by the river, in the State of Nature, or thereabouts, for a bit of property theory and a few “good draughts.” John Locke says everybody can appropriate some river-water, as long as what they make their own “property” leaves “a whole river of the same water.” Now, Locke has a reputation for saying things like “my labor” when maybe he means the labor of someone else, so there’s some hesitation, but it seems like a pretty good deal, assuming it’s possible. Now, in literal terms, it seems impossible: a quantity of water, X, minus some non-zero “good draught,” G, is unlikely to = X. But, out in the State of Nature, talking about individual-scale “draughts” and a naturally resilient river-system, perhaps it is at least as good as possible.
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