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- Path: sparky!uunet!olivea!sgigate!odin!news.csd.sgi.com!fido!solntze.wpd.sgi.com!livesey
- From: livesey@solntze.wpd.sgi.com (Jon Livesey)
- Newsgroups: talk.origins
- Subject: Re: Laying a trap
- Keywords: Computer program, random, mutation, chess
- Message-ID: <1erkakINNb2c@fido.asd.sgi.com>
- Date: 23 Nov 92 22:00:52 GMT
- References: <1992Nov20.164903@IASTATE.EDU> <NaumuB8w165w@kalki33>
- Organization: sgi
- Lines: 25
- NNTP-Posting-Host: solntze.wpd.sgi.com
-
- In article <NaumuB8w165w@kalki33>, kalki33!system@lakes.trenton.sc.us writes:
- |> kv07@IASTATE.EDU (Warren Vonroeschlaub) writes:
- |>
- |> > > 5) If you are not sure whether the machine will eventually halt, then
- |> > > attempt to dissect the code to determine if it represents a valid
- |> > > algorithm or not.
- |> >
- |> > this is known as the halting problem. If you have found a solution, please
- |> > publish it so you can claim your Nobel prize.
- |>
- |> No, the halting problem is unsolvable. Our point was: if you give the
- |> machine a time interval and it is still running at the end of the
- |> interval, then rather than throw it out as non-halting, first spend a
- |> little more time trying to find something in the code that may indicate
- |> that it would have stopped if left alone for a little longer. That's
- |> all.
-
- Gee Mr Wizard. Isn't it going to take up a lot of your valuable
- time slogging through all that code by hand?
-
- Why don't you just write a littel computer program that will read
- the text of the program in question, and tell you if "it would have
- stopped if left alone for a little longer"
-
- jon.
-