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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: "Fred. Zwarts" <F.Zwarts@HetNet.nl>
Newsgroups: comp.theory
Subject: Re: Every sufficiently competent C programmer knows --- Semantic
Property of Finite String
Date: Fri, 14 Mar 2025 08:43:47 +0100
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In-Reply-To: <vr02sg$ad6n$1@dont-email.me>
Op 14.mrt.2025 om 03:05 schreef olcott:
> On 3/13/2025 6:09 PM, Richard Damon wrote:
>> On 3/13/25 4:46 PM, olcott wrote:
>>> On 3/13/2025 4:27 AM, joes wrote:
>>>> Am Wed, 12 Mar 2025 21:41:34 -0500 schrieb olcott:
>>>>> On 3/12/2025 7:56 PM, dbush wrote:
>>>>>> On 3/12/2025 8:41 PM, olcott wrote:
>>>>>>>
>>>>>>> NOT WHEN IT IS STIPULATED THAT THE BEHAVIOR BEING MEASURED IS
>>>>>>
>>>>>> The direct execution of DDD
>>>>>
>>>>> is proven to be different than the behavior of DDD emulated by HHH
>>>>> according to the semantics of the x86 language.
>>>>
>>>> Which is weird, considering that a simulator should produce the same
>>>> behaviour.
>>>>
>>>>
>>>>> DECIDERS ARE REQUIRED TO REPORT ON THE SEMANTIC OR SYNTACTIC
>>>>> PROPERTY OF
>>>>> THEIR INPUT FINITE STRINGS.
>>>> And not if the input called a different simulator that didn't abort.
>>>>
>>>
>>> DDD correctly emulated by HHH cannot possibly
>>> reach its own final state no matter what HHH
>>> does.
>>>
>>> DDD correctly emulated by HHH1 does reach its
>>> own final state.
>>
>> Which shows that HHH doesn't correctly emulate its input, unless you
>> just lied and gave the two programs different inputs.
>>
>
> void DDD()
> {
> HHH(DDD);
> return;
> }
>
> Someone that is not a liar could explain exactly
> how DDD emulated by HHH according to the semantics
> of the C language must have the same behavior as
> DDD emulated by HHH1 according to the semantics
> of the C language.
It has. If not, show the first instruction simulated differently by HHH
and HHH1.