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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: Keith Thompson <Keith.S.Thompson+u@gmail.com>
Newsgroups: comp.theory
Subject: Re: Unpartial Halt Decider 4.0
Date: Fri, 18 Apr 2025 16:02:38 -0700
Organization: None to speak of
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Mr Flibble <flibble@red-dwarf.jmc.corp> writes:
> On Fri, 18 Apr 2025 17:15:40 -0400, Richard Damon wrote:
>> And the rules of the game are that deciders must answer in finite time.
>
> Your perspective is:
>
> Epistemic: knowledge must be actionable, and thus based on finite
> computation.
>
> Pragmatic: we need results in time, so knowing whether we’re in a loop is
> more valuable than being able to analyze an infinite thing in an infinite
> way.
>
> This is totally reasonable — but my perspective is:
>
> Not speaking about physical feasibility. I'm working in the theoretical
> realm — just as Turing did.
You are working on a different problem, one that seems related to
the Halting Problem but is not the same thing. The problem you're
working on seems to be a variant of the Halting Problem with the
hard parts removed or quietly ignored.
Whatever you might come up with will not change the perfectly
valid proof that the Halting Problem *as it's normally defined*
is not solvable.
It's conceivable that you might come up with something interesting or
useful, maybe even both. But I've seen no evidence of that so far.
--
Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com
void Void(void) { Void(); } /* The recursive call of the void */