Path: ...!news.nobody.at!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory Subject: Re: DDD correctly emulated by HHH is correctly rejected as non-halting. --- You are not paying attention Date: Thu, 18 Jul 2024 08:36:53 -0500 Organization: A noiseless patient Spider Lines: 65 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 18 Jul 2024 15:36:54 +0200 (CEST) Injection-Info: dont-email.me; posting-host="59b16eacfb44a5409827c0dee7d881bf"; logging-data="2558298"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX181B1oBWgrjLAMr1I2YxwD7" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:15/mkbdnDm4WIq2mVGce7iorLVw= Content-Language: en-US In-Reply-To: Bytes: 4259 On 7/18/2024 2:55 AM, Mikko wrote: > On 2024-07-17 13:14:43 +0000, olcott said: > >> On 7/17/2024 2:08 AM, Mikko wrote: >>> On 2024-07-16 14:46:40 +0000, olcott said: >>> >>>> On 7/16/2024 2:18 AM, Mikko wrote: >>>>> On 2024-07-15 13:32:27 +0000, olcott said: >>>>> >>>>>> On 7/15/2024 2:57 AM, Mikko wrote: >>>>>>> On 2024-07-14 14:48:05 +0000, olcott said: >>>>>>> >>>>>>>> On 7/14/2024 3:49 AM, Mikko wrote: >>>>>>>>> On 2024-07-13 12:18:27 +0000, olcott said: >>>>>>>> >>>>>>>> When the source of your disagreement is your own ignorance >>>>>>>> then your disagreement has no actual basis. >>>>>>>> >>>>>>>> *You can comprehend this is a truism or fail to* >>>>>>>> *comprehend it disagreement is necessarily incorrect* >>>>>>>> Any input that must be aborted to prevent the non >>>>>>>> termination of HHH necessarily specifies non-halting >>>>>>>> behavior or it would never need to be aborted. >>>>>>>> >>>>>>>> Disagreeing with the above is analogous to disagreeing >>>>>>>> with arithmetic. >>>>>>> >>>>>>> A lame analogy. A better one is: 2 + 3 = 5 is a proven theorem just >>>>>>> like the uncomputability of halting is. >>>>>> >>>>>> The uncomputability of halting is only proven when the problem >>>>>> is framed this way: HHH is required to report on the behavior >>>>>> of an input that was defined to do exactly the opposite of >>>>>> whatever DDD reports. >>>>> >>>>> No, it is proven about the halting problem as that problem is. >>>> >>>> Which is simply a logical impossibility >>> >>> Yes, a halting decider is a logical impossibility, as can be and has >>> been proven. >>> >> >> If it is a logical impossibility then it places no >> actual limit on computation otherwise we would have >> "the CAD problem" of the logical impossibility of making >> a CAD system that correctly draws a square circle. > > A logical impossibility does place a limit on computation. > Otherwise it would be possible to build a CAD system that > can correctly draw a square circle. > Of the set of possible things TM's can do them all. One of the possible things is for a TM to to be a quadrillion times smarter than any human at anything requiring human intelligence. One thing isomorphic to the halting problem is the liar paradox. Not even God can correctly determine whether this sentence is true or false: "This sentence is not true". -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer