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Generalized Backhaul Law: Every sufficiently complex system has a preferred direction with forward DO behaviors being asymmetrically more efficient than backward UNDO behaviors. Container shipping backhaul Package returns (reverse logistics) Payment reversals/refunds
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This asymmetry induced a native non-strict temporality. It rhymes with the second law/entropy but is not always an obvious direct consequence.
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Corollary: In sufficiently complex systems that are also Turing-complete, this reduces to the second law via Landauer’s principle (deleting bits increases entropy in a universal Turing machine)
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For humans, the direction is set by digestion. Food to poop. Pooping is do (well, doodoo) and vomiting is undo.
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But not that even this can get complex: cf ruminants with 4 stomachs, birds that practice regurgitation feeding of young, etc.
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The more common direction is the more efficient one because it has been optimized, often at the expense of the other direction
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that's sort of backwards... it is emergent optimized because it is the more common direction (more frequent events driving the learning curve and fleshing out various edge cases and things) ie the direction precedes the optimization, which does not need to be consciously pursued