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From: Mikko <mikko.levanto@iki.fi>
Newsgroups: comp.theory
Subject: Re: DDD simulated by HHH cannot possibly halt (Halting Problem)
Date: Fri, 4 Apr 2025 11:22:40 +0300
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On 2025-04-04 02:06:52 +0000, olcott said:
> On 4/3/2025 8:59 PM, Richard Damon wrote:
>> On 4/3/25 9:27 PM, olcott wrote:
>>> void DDD()
>>> {
>>> HHH(DDD);
>>> return;
>>> }
>>>
>>> Do you really think that anyone knowing the C
>>> programming language is too stupid to see that
>>> DDD simulated by HHH cannot possibly return?
>>
>> But if HHH doesn't do a complete emulation, it doesn't show that its
>> input is non-halting,
>
> In other words you're convinced that a C
> program cannot see what every C programmer sees?
That indeed is how it usually is. A C program can only see what it is
programmed to see. Most programmers can see more.
--
Mikko