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From: olcott <polcott333@gmail.com>
Newsgroups: comp.theory
Subject: Re: DD correctly emulated by HHH --- Totally ignoring invalid
 rebuttals ---PSR---
Date: Sat, 8 Mar 2025 10:29:26 -0600
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On 3/8/2025 9:00 AM, dbush wrote:
> On 3/8/2025 9:03 AM, olcott wrote:
>> On 3/8/2025 2:47 AM, Fred. Zwarts wrote:
>>>
>>> So, we agree that any simulator that tries to simulate *itself* 
>>> cannot possibly reach the end of its simulation.
>>
>> Apparently you don't understand that inputs to a
>> simulating termination analyzer specifying infinite
>> recursion or recursive emulation cannot possibly
>> reach their own final state and terminate normally.
> 
> Apparently you don't understand that inputs to a termination analyzer, 
> simulating or otherwise, are specified by the specification that is the 
> halting function:
> 
> (<X>,Y) maps to 1 if and only if X(Y) halts when executed directly
> (<X>,Y) maps to 0 if and only if X(Y) does not halt when executed
> 
> And HHH(DD)==0 fails to meet the above specification

Until you understand how and why this is necessary
correct strongly held misconceptions will persist:

DD correctly emulated by HHH cannot possibly reach
its own "ret" instruction and terminate normally
because DD calls HHH(DD) in recursive emulation.


-- 
Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius
hits a target no one else can see." Arthur Schopenhauer