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ModelOfTheory's profile
Model Of Theory
Model Of Theory
Model Of Theory
@ModelOfTheory

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Model Of Theory

@ModelOfTheory

ZFC, THIS.

Joined July 2016

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    Model Of Theory‏ @ModelOfTheory Jan 25

    The halting problem is overrated. More relevant to me is the "will this program halt at some point before I die" problem. But this problem is also intractable.

    10:37 AM - 25 Jan 2018
    • 1 Retweet
    • 8 Likes
    • ~~~ Jon Ibasco Pepe Bawagan romaine Michael Burge Amateur Slacker Shredder Rawflesh Tim Haight
    5 replies 1 retweet 8 likes
      1. New conversation
      2. Effect Of Cause‏ @EffectOfCause Jan 25
        Replying to @ModelOfTheory

        haltsInUserLifetime?(program) killUser() return false

        1 reply 1 retweet 5 likes
      3. Model Of Theory‏ @ModelOfTheory Jan 25
        Replying to @EffectOfCause

        This solution has the drawback that the user never gets to observe the result. In fact, any solution must have cases in which the program should return false but the user does not survive to see this, for essentially the same reason that the halting problem is undecidable.

        0 replies 0 retweets 3 likes
      4. End of conversation
      1. New conversation
      2. Pepe Bawagan‏ @syk0saje Jan 25
        Replying to @ModelOfTheory

        while (!program.done()) { user.lifespan++; }

        1 reply 0 retweets 0 likes
      3. Model Of Theory‏ @ModelOfTheory Jan 25
        Replying to @syk0saje

        This attempt would have some desirable side-effects, but, if it successfully causes those side-effects, would render the halt-before-user-dies problem equivalent to the halting problem.

        1 reply 0 retweets 1 like
      4. Pepe Bawagan‏ @syk0saje Jan 25
        Replying to @ModelOfTheory

        Sounds like an equivalence worth inducing!

        0 replies 0 retweets 0 likes
      5. End of conversation
      1. kl‏ @kl60199572 Jan 26
        Replying to @ModelOfTheory

        The result might depend on whether you run the program on a computer that executes 10^6 instructions per second or just 1 instruction per second.

        0 replies 0 retweets 0 likes
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      1. New conversation
      2. Node Of Network‏ @NodeOfNet Jan 26
        Replying to @ModelOfTheory

        For (int i=1000; ; i--) { if (haltsBeforeUserDeath(sleep, arg=(i*31536000) ) { return i; } }

        1 reply 0 retweets 0 likes
      3. Node Of Network‏ @NodeOfNet Jan 26
        Replying to @NodeOfNet @ModelOfTheory

        You may increase the resolution for more accurate results, if you want to know that.

        0 replies 0 retweets 0 likes
      4. End of conversation
      1. Node Of Network‏ @NodeOfNet Jan 26
        Replying to @ModelOfTheory

        What if the computer breaks before the user?

        0 replies 0 retweets 0 likes
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