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From: joes <noreply@example.org>
Newsgroups: comp.theory
Subject: Re: Defining a correct simulating halt decider
Date: Tue, 3 Sep 2024 08:16:26 -0000 (UTC)
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Am Mon, 02 Sep 2024 17:22:50 -0500 schrieb olcott:
> On 9/2/2024 12:52 PM, Fred. Zwarts wrote:
>> Op 02.sep.2024 om 18:38 schreef olcott:
>>> A halt decider never ever computes the mapping for the computation
>>> that itself is contained within.
Then it is unsuited to the halting problem.

>> Indeed, it should simulate *itself* and not a hypothetical other HHH
>> with different behaviour.
>> If HHH includes code to see a 'special condition' and aborts and halts,
>> then it should also simulate the HHH that includes this same code and
> 
> DDD has itself and the emulated HHH stuck in recursive emulation.
> When HHH emulates itself emulating DDD the emulated HHH cannot possibly
> return because each DDD keeps calling HHH to emulate itself again until
> the outer executed HHH kills the whole emulated process at the very
> first emulated DDD before it ever reaches its own second line.
Why is the abort not simulated?

-- 
Am Sat, 20 Jul 2024 12:35:31 +0000 schrieb WM in sci.math:
It is not guaranteed that n+1 exists for every n.