Re: Halting Problem is wrong two different ways

On 6/6/2024 3:45 AM, Mikko wrote:

On 2024-06-05 17:09:18 +0000, olcott said:
 

On 6/5/2024 12:03 PM, John Smith wrote:

On 5/06/24 04:16, olcott wrote:

On 6/4/2024 9:12 PM, John Smith wrote:

On 5/06/24 04:05, olcott wrote:

On 6/4/2024 8:48 PM, Richard Damon wrote:

But the question it asks is an OBJECTIVE question that doesn't depend on who it is asked of.
>

>
When H is asked about the behavior of a Machine that is programmed
to do the opposite of whatever it says then the context that it is H
that is being asked is an inherent aspect of the meaning of this
question and cannot be correctly ignored.

>
Every machine does something. It either halts, or it doesn't. If a machine halts, then it halts even if you ask someone different. If the machine halts when I ask Bob whether it halts and he says it halts, then it still halts when I ask Alice whether it halts and she says it doesn't halt. Alice is wrong. The linguistic context doesn't change the fact that it halts.

>
Professor Hehner proves my same point with Carol's question.
https://www.cs.toronto.edu/~hehner/OSS.pdf
>
Richard found a loophole that I fixed and told professor Hehner about:
Can Carol correctly answer “no” to this (yes/no) question?
>

>
It's not "Can Carol" - it's "Does Carol"

>
*Disagreeing with verified facts does not count as any rebuttal*
I inserted "(yes/no)" to close the loophole that Richard found.

 That addition does not constrain what Carol can say. Whether that
makes "Absolutely not" an incorrect answer is another problem.
 

Can Carol correctly answer “no” to this [yes/no] question?
     ...is a consistent, satisfiable specification for some
     agent (anyone other than Carol), and an inconsistent,
     unsatisfiable specification for some agent (Carol). (Hehner:2017)
If Carol answers “no” to this question she is saying that “no” is the
wrong answer, if she is correct then “no” is the right answer making her
necessarily incorrect.
If Carol answers “yes” to this question she is saying that “no” is the
correct answer thus making “yes” necessarily the wrong answer.
Thus both [yes, no] are the wrong answer from Carol, thus “no” is the
correct answer from anyone else.
When anyone or machine is asked a yes/no question and this
yes/no question has no correct answer from this person or
machine because both yes and no are contradicted then this
is an incorrect question. I first brought this up in this
forum back in 2004.
Alan Turing's Halting Problem is incorrectly formed (PART-TWO)  sci.logic
On 6/20/2004 11:31 AM, Peter Olcott wrote:
 > PREMISES:
 > (1) The Halting Problem was specified in such a way that a solution
 > was defined to be impossible.
 >
 > (2) The set of questions that are defined to not have any possible
 > correct answer(s) forms a proper subset of all possible questions.
 > …
 > CONCLUSION:
 > Therefore the Halting Problem is an ill-formed question.
 >
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