Re: People are still trying to get away with disagreeing with the semantics of the x86 language

On 6/29/24 4:33 PM, olcott wrote:

On 6/29/2024 3:25 PM, Richard Damon wrote:

On 6/29/24 4:17 PM, olcott wrote:

On 6/29/2024 3:10 PM, Richard Damon wrote:

On 6/29/24 3:25 PM, olcott wrote:

On 6/29/2024 2:08 PM, Richard Damon wrote:

On 6/29/24 2:47 PM, olcott wrote:

On 6/29/2024 1:38 PM, Richard Damon wrote:

On 6/29/24 2:06 PM, olcott wrote:

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<MIT Professor Sipser agreed to ONLY these verbatim words 10/13/2022>
If simulating halt decider H correctly simulates its input D
until H correctly determines that its simulated D would never
stop running unless aborted then
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H can abort its simulation of D and correctly report that D
specifies a non-halting sequence of configurations.
</MIT Professor Sipser agreed to ONLY these verbatim words 10/13/2022>

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But that only applies if H determines a CORRECT SIMULATION per HIS definition does not halt
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That means the DIRECT EXECUTION of the program represented by the input does not halt, since that is the DEFINITION of the results of a correct simuation.
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That also requires that the simulation does not stop until it reaches a final state. You H neither does that nor correctly determines that (since it does halt) thus you can never use the second paragraph to be allowed to abort, even though you do anyway, which is why you get the wrong answer.
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*N steps of correct simulation are specified*
H correctly simulates its input D until H
H correctly simulates its input D until H
H correctly simulates its input D until H
H correctly simulates its input D until H

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Which does not determine the ACTUAL behavor
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_DDD()
[00002172] 55               push ebp      ; housekeeping
[00002173] 8bec             mov ebp,esp   ; housekeeping
[00002175] 6872210000       push 00002172 ; push DDD
[0000217a] e853f4ffff       call 000015d2 ; call HHH(DDD)
[0000217f] 83c404           add esp,+04
[00002182] 5d               pop ebp
[00002183] c3               ret
Size in bytes:(0018) [00002183]
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That you already know that it does prove that DDD correctly
emulated by HHH would never stop running unless aborted
or out-of-memory error
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*proves that you are trying to get away with a bald-faced lie*
I really hope that you repent before it is too late.
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Nope, just shows your stupidity, as the above code has NO defined behavior as it accesses code that is not defined by it.
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*Its behavior is completely defined by*
(a) The finite string x86 machine code that includes
     the recursive emulation call from DDD to HHH(DDD).

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But by the semantics of the x86 langugage, the call to HHH does NOT do a "recursive simulation" since that is not a term in that language.
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The Call to HHH just cause the
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(b) The semantics of the x86 language.
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(c) That HHH is an x86 emulator that correctly emulates
     N steps of DDD.

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Which isn't an ACTUALY correct emulation, but only a PARTIAL correct emulation (since correct emulation implies EVERY instruction but a terminal one is followed by the next instruction).
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The key fact is that PARTIAL emulation doesn't reveal the future of the behavior past the point of the emulation.

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In other words you are trying to get away with claiming
that professor Sipser made a stupid mistake:
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H correctly simulates its input D until H correctly determines
that its simulated D would never stop running unless aborted

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Nope, he just laid a trap that you fell into.
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 He could not have possibly laid any trap you dumb bunny.
All of the words were my own verbatim words. It took me
two years to compose those exact words.
 

Right, and he could have seen the errors in your apparent misunderstanding of the words and accepted them, knowing that they were actually meaningless.

The ONLY simulation that Professor Sipser accepts as correct, is one that shows EXACTLY the behavior of the machine being simulated.
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 So you are stupid enough to believe that professor Sipser
is stupid enough to to try and get away with disagreeing
with the semantics of the x86 language?

The question said NOTHING of the x86 language, so it doesn't matter.
Since you said "Halt Decider" he would be correct to asume you were talking about Turing Machines.
And, in Turing Machines, the only thing talked about as far as "Simulation" would be the UTM, and that ONLY does fully correct and complete simulations, so barring very clear mention otherwise, that is what is assumed.
I guess you are just admitting you fell for the trap.

 *I don't buy it. You are not that stupid you are a liar*
 

But YOU seem to be that stupid, or self-enforced ignorant.
You just don't know what is actually true.