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danlistensto's profile
Dan listens to rain falling on the rooftop
Dan listens to rain falling on the rooftop
Dan listens to rain falling on the rooftop
@danlistensto

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Dan listens to rain falling on the rooftop

@danlistensto

Moloch's janitor

Joined August 2014

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    1. Venkatesh Rao‏ @vgr 8 Dec 2017

      There's a distinction that's probably only obvious to people with some grad-level math: Corner cases are not the same as rare cases. Neither implies the other. "Corners" are a measure-0 subset of a space where open-nbhd/non-singleton methods don't apply Ie "special treatment"

      3 replies 5 retweets 18 likes
    2. Dan listens to rain falling on the rooftop‏ @danlistensto 8 Dec 2017
      Replying to @vgr

      but there is some kind of relationship here though, right? even if its just semantics/labeling it's something. if a majority of cases of a thing were "corner" cases we would definitely not label that as the corner. corners are always some kind of minority.

      1 reply 0 retweets 0 likes
    3. Venkatesh Rao‏ @vgr 8 Dec 2017
      Replying to @danlistensto

      Not necessarily, when the majority is corners, we switch language and start talking about how it's a diverse/varied context. Like say the food scene in a cosmopolitan city with lots of food carts.

      1 reply 0 retweets 1 like
    4. Dan listens to rain falling on the rooftop‏ @danlistensto 8 Dec 2017
      Replying to @vgr

      I'm not convinced. to me that signals wrong-abstraction.

      2 replies 0 retweets 1 like
    5. Dan listens to rain falling on the rooftop‏ @danlistensto 8 Dec 2017
      Replying to @danlistensto @vgr

      for example, in coding, the right abstraction (almost always) results in writing MUCH less code to solve the problem. if I encounter some code where EVERYTHING is being handled as a special case that's a huge code smell. means wrong abstraction.

      1 reply 0 retweets 0 likes
    6. Venkatesh Rao‏ @vgr 8 Dec 2017
      Replying to @danlistensto

      You assume abstractability is entirely a function of the intelligence of the agent acting on the context. I disagree with that premise. It's fundamentally a propert of the domain. Tax law is less abstractable than classical Newtonian mechanics.

      1 reply 0 retweets 0 likes
    7. Dan listens to rain falling on the rooftop‏ @danlistensto 8 Dec 2017
      Replying to @vgr

      no way. you've got a really powerful implicit notion of "good abstraction produces good results" here and I think that's wrong. tax law is extremely easily abstractable but you make a value judgment that elegant abstractions of it are bad laws. e.g. flat tax.

      3 replies 0 retweets 0 likes
    8. Dan listens to rain falling on the rooftop‏ @danlistensto 8 Dec 2017
      Replying to @danlistensto @vgr

      our ability to evaluate "goodness" of an abstraction is the hard part. physics is a case where the abstraction is complicated but the evaluation is simple (prediction vs. experimental observation).

      1 reply 0 retweets 0 likes
      Dan listens to rain falling on the rooftop‏ @danlistensto 8 Dec 2017
      Replying to @danlistensto @vgr

      my conjecture is that an abstraction with excessive corners is more likely to be hard to evaluate on "goodness".

      6:15 PM - 8 Dec 2017
      • 1 Like
      • Venkatesh Rao
      1 reply 0 retweets 1 like
        1. Dan listens to rain falling on the rooftop‏ @danlistensto 8 Dec 2017
          Replying to @danlistensto @vgr

          if I was a better math student I'd probably be saying something about Kolmogorov complexity now but I'm too much of dilletante to have a leg to stand on there :/

          0 replies 0 retweets 1 like
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