Re: D correctly simulated by H proved for THREE YEARS --- rewritten

Op 12.jun.2024 om 21:53 schreef olcott:

On 6/12/2024 2:46 PM, Fred. Zwarts wrote:

Op 12.jun.2024 om 21:20 schreef olcott:

On 6/12/2024 2:13 PM, Fred. Zwarts wrote:

Op 12.jun.2024 om 20:24 schreef olcott:

On 6/12/2024 1:19 PM, Fred. Zwarts wrote:

Op 12.jun.2024 om 16:47 schreef olcott:

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There is no infinite nested simulation detected,

>
If I am wrong then a specific sequence of steps of D correctly
simulated by H where D terminates normally can be provided.

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No infinite execution has been detected,

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You seem to simply not understand that D correctly simulated
by H would eventually crash due to out-of-memory error.
>

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Exactly. A correct H simulated by H does not exist. But, again, you misses the point. It was in the part that you omitted.
So, again:
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No infinite execution has been detected, only a premature abortion.

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On 5/29/2021 2:26 PM, olcott wrote:
https://groups.google.com/g/comp.theory/c/dTvIY5NX6b4/m/cHR2ZPgPBAAJ
>
If that was true then you could provide every step of D correctly
simulated by H such that D simulated by H reaches its own simulated
"ret" instruction.

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I said that each H is unable to hit its target, so how could it reach the "ret" instruction of D? Please, think before you reply.

 It is a binary choice either D correctly simulated by H can
possibly terminate normally by reaching its "ret" instruction
or not. Your attempt to twist these words to make it look like
there is more than these two possibilities is either ignorant
or deceptive.
 

Please, take some more attention to what I said. Read, then think, before you reply.
I said that H is not able to reach its own "ret" when it is simulating itself. So, no disagreement with that. That proves that H misses its target. The abort is too early. The target is just some steps further. It does not mean that the target is at infinity.
It is like an archer who is asked to hit a target twice as far as his bow can reach. His bow reaches 50m and the target is at 100m. He misses.
Then he uses a new bow that reaches 100m, but now the target is at 200m. He is able to reach the old target, but again he misses the target for the new bow. He can continue with a stronger bow, but if the bow reaches further, the target is also further away. But note, the target is never at infinity.
Similarly, the target of the simulator is never at infinity, but always some steps further that the simulation goes. You can make a simulator that simulates further, which can reach the target of the old simulator, but it is unable to reach its own target. So, there is no infinite recursion, but the simulation always misses the target. The simulation is never able to simulate itself up to the end. It always aborts prematurely.
So, your claim proves that it is not a good idea to simulate H by itself. It will always miss the target.