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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott <polcott333@gmail.com> Newsgroups: comp.theory Subject: Re: Who here understands that the last paragraph is Necessarily true? Date: Wed, 17 Jul 2024 08:27:08 -0500 Organization: A noiseless patient Spider Lines: 67 Message-ID: <v78grc$1rc43$7@dont-email.me> References: <v6un9t$3nufp$1@dont-email.me> <v7013v$2ccv$1@dont-email.me> <v70nt7$61d8$6@dont-email.me> <58fc6559638120b31e128fe97b5e955248afe218@i2pn2.org> <v71mjh$bp3i$1@dont-email.me> <1173a460ee95e0ca82c08abecdefc80ba86646ac@i2pn2.org> <v71okl$bvm2$1@dont-email.me> <5f6daf68f1b4ffac854d239282bc811b5b806659@i2pn2.org> <v71ttb$crk4$1@dont-email.me> <60e7a93cb8cec0afb68b3e40a0e82e9d63fa8e2a@i2pn2.org> <v721po$h4kr$1@dont-email.me> <v75a0l$16bjt$1@dont-email.me> <v76dth$1cf96$3@dont-email.me> <v77sna$1o83i$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 17 Jul 2024 15:27:09 +0200 (CEST) Injection-Info: dont-email.me; posting-host="f64513aa3f157d417bd9d336ffe725cf"; logging-data="1945731"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+Auq3qLXNA2jOQz4FzzeQM" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:u1dAkiT5QjLC9yVhAODAcB241aw= Content-Language: en-US In-Reply-To: <v77sna$1o83i$1@dont-email.me> Bytes: 4121 On 7/17/2024 2:43 AM, Mikko wrote: > On 2024-07-16 18:24:49 +0000, olcott said: > >> On 7/16/2024 3:12 AM, Mikko wrote: >>> On 2024-07-15 02:33:28 +0000, olcott said: >>> >>>> On 7/14/2024 9:04 PM, Richard Damon wrote: >>>>> On 7/14/24 9:27 PM, olcott wrote: >>>>>> >>>>>> Any input that must be aborted to prevent the non termination >>>>>> of simulating termination analyzer HHH necessarily specifies >>>>>> non-halting behavior or it would never need to be aborted. >>>>> >>>>> Excpet, as I have shown, it doesn't. >>>>> >>>>> Your problem is you keep on ILEGALLY changing the input in your >>>>> argument because you have misdefined what the input is. >>>>> >>>> >>>> _DDD() >>>> [00002163] 55 push ebp ; housekeeping >>>> [00002164] 8bec mov ebp,esp ; housekeeping >>>> [00002166] 6863210000 push 00002163 ; push DDD >>>> [0000216b] e853f4ffff call 000015c3 ; call HHH(DDD) >>>> [00002170] 83c404 add esp,+04 >>>> [00002173] 5d pop ebp >>>> [00002174] c3 ret >>>> Size in bytes:(0018) [00002174] >>>> >>>> The input *is* the machine address of this finite >>>> string of bytes: 558bec6863210000e853f4ffff83c4045dc3 >>> >>> You have already said that a decider is not allowed to answer anything >>> other than its input. Now you say that the the program at 15c3 is not >>> a part of the input. Therefore a decider is not allowed consider it >>> even to the extent to decide whether it ever returns. But without that >>> knowledge it is not possible to determine whether DDD halts. >>> >> >> It maps the finite string 558bec6863210000e853f4ffff83c4045dc3 >> to non-halting behavior because this finite string calls HHH(DDD) >> in recursive simulation. > > That mapping is not a part of the finite string and not a part of the > problem specification. decider/input pairs <are> a key element of the specification. > The finite string does not reveal what is the > effect of calling whatever that address happens to contain. A simulating termination analyzer proves this. > The > behaviour of HHH is specified outside of the input. Therefore your > "decider" decides about a non-input, which you said is not allowed. > HHH is not allowed to report on the behavior of it actual self in its own directly executed process. HHH is allowed to report on the effect of the behavior of the simulation of itself simulating DDD. -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer