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Meaningness's profile
David Chapman
David Chapman
David Chapman
@Meaningness

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David Chapman

@Meaningness

Better ways of thinking, feeling, and acting—around problems of meaning and meaninglessness; self and society; ethics, purpose, and value.

meaningness.com/about-my-sites
Joined September 2010

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    1. michael_nielsen‏ @michael_nielsen Feb 12
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      Replying to @michael_nielsen @Meaningness and

      So published proofs are sometimes wrong. So what? This doesn't seem especially notable. It is, of course, nice to have fairly reliable process for telling what's well established from what's wrong, but publication of a paper has never been more than a small part of that.

      2 replies 1 retweet 7 likes
    2. David Chapman‏ @Meaningness Feb 12
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      Replying to @michael_nielsen @XenaProject and

      Well the question would be whether that process could be improved. The slides provide examples of ways it seems not to work very well.

      1 reply 0 retweets 1 like
    3. David Chapman‏ @Meaningness Feb 12
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      Replying to @Meaningness @michael_nielsen and

      “Replicability” here would mean “how can we find out whether this result is true, other than by opinion polling?”

      3 replies 0 retweets 3 likes
    4. michael_nielsen‏ @michael_nielsen Feb 12
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      Replying to @Meaningness @XenaProject and

      "Improved"? You can improve traffic safety by speed limiting all cars to 3 miles per hour. But it would have some other disadvantages. I'm not against formally checkable proofs, but it does seem like focusing on the 17th most significant bit.

      1 reply 0 retweets 2 likes
    5. David Chapman‏ @Meaningness Feb 12
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      Replying to @michael_nielsen @XenaProject and

      Oh, to be clear, I am not advocating for computer proof checking. I hope it can be made useful but that’s not what I had in mind in today’s tweets at all. Rather, an upgrade in social processes, as in the psychology re-credibilizing movement.

      1 reply 0 retweets 1 like
    6. michael_nielsen‏ @michael_nielsen Feb 12
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      Replying to @Meaningness @XenaProject and

      It's not an upgrade. It's a change. Having more rigorous standards is an error in the earliest days of a field. I wince when I hear people say "X didn't replicate" and then imply therefore it's not true. Much of the time I suspect they're discarding important scientific insight.

      2 replies 1 retweet 2 likes
    7. David Chapman‏ @Meaningness Feb 12
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      Replying to @michael_nielsen @XenaProject and

      I agree with everything you say here; not sure what you disagree with? (Math isn’t a new field?) Assuming @XenaProject’s statements here are correct, this seems like a problem. Presumably not that it’s false, but more like “we lost the data”pic.twitter.com/pTnSxvn59s

      1 reply 0 retweets 0 likes
    8. michael_nielsen‏ @michael_nielsen Feb 12
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      Replying to @Meaningness

      Why is this a problem? Similar thing happened with Nash's proof of the (possibly more important?) embedding theorem: the proof had an error that wasn't discovered for ~50 years. But that made no difference at all, because the existing processes of mathematics worked just fine...

      3 replies 0 retweets 2 likes
    9. David Chapman‏ @Meaningness Feb 12
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      Replying to @michael_nielsen

      My hope would be that math could be more productive if its self-understanding and social processes worked better. I have little experience with those processes personally, so I am not in a position to do more than suggest the possibility.

      2 replies 0 retweets 4 likes
    10. michael_nielsen‏ @michael_nielsen Feb 12
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      Replying to @Meaningness

      That first sentence I agree wholeheartedly with you on!

      1 reply 0 retweets 0 likes
      David Chapman‏ @Meaningness Feb 12
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      Replying to @michael_nielsen

      That was pretty much the whole of my point I think!

      1:02 PM - 12 Feb 2020
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