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Path: news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: Richard Damon <richard@damon-family.org> Newsgroups: comp.theory Subject: Re: Why Peter Olcott is both right and wrong Date: Fri, 16 May 2025 20:28:43 -0400 Organization: i2pn2 (i2pn.org) Message-ID: <6358465070aee41e20a52dc445ea1a5f4b9d797a@i2pn2.org> References: <5PfVP.200711$RD41.12367@fx12.ams4> <877c2i2hbk.fsf@bsb.me.uk> <tDlVP.271657$o31.174834@fx04.ams4> <871psp2zp5.fsf@bsb.me.uk> <qjvVP.134543$0ia.88163@fx11.ams4> <87v7q01br6.fsf@bsb.me.uk> <1008bju$3v7tg$2@dont-email.me> <1008bos$3v7tg$3@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 17 May 2025 00:38:18 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="672722"; mail-complaints-to="usenet@i2pn2.org"; posting-account="diqKR1lalukngNWEqoq9/uFtbkm5U+w3w6FQ0yesrXg"; User-Agent: Mozilla Thunderbird Content-Language: en-US In-Reply-To: <1008bos$3v7tg$3@dont-email.me> X-Spam-Checker-Version: SpamAssassin 4.0.0 On 5/16/25 5:47 PM, olcott wrote: > On 5/16/2025 4:44 PM, olcott wrote: >> On 5/16/2025 4:33 PM, Ben Bacarisse wrote: >>> Mr Flibble <flibble@red-dwarf.jmc.corp> writes: >>> >>>> On Fri, 16 May 2025 00:59:02 +0100, Ben Bacarisse wrote: >>>> >>>>> Mr Flibble <flibble@red-dwarf.jmc.corp> writes: >>>>> >>>>>> On Thu, 15 May 2025 13:23:43 +0100, Ben Bacarisse wrote: >>>>>> >>>>>>> Mr Flibble <flibble@red-dwarf.jmc.corp> writes: >>>>>>> >>>>>>>> the truth is pathlogical input is undecidable: >>>>>>> >>>>>>> No input[1] is undecidable. >>>>>> >>>>>> Eh? Partial deciders are a thing. >>>>> >>>>> Yes. That does not alter the fact that no input is undecidable. >>>> >>>> Pathological input is undecidable as pathological input is an >>>> "impossible >>>> program" [Strachey 1965]. >>> >>> The most likely explanation is that you don't know what decidable means. >>> Either that or you just like posting remarks for the sake of it. >>> >> >> Sure and these two PhD computer science professors >> would also have no idea what the > > TERMS OF THEIR ART MEAN. Right, they clearly don't. Their writing show they don't understand the meaning of a Program in the field. PHD sometimes mean just they Piled it Higher and Deeper. Computer Science is a large field, and many people in it never studied this corner of Computation Theory, as it actually has little application to most programing exercises, as it intentionally ignores a lot of asspects that are very important to application programming. > >> >> Problems with the Halting Problem >> Eric C.R. Hehner >> https://www.cs.toronto.edu/~hehner/PHP.pdf >> >> Halting misconceived? >> Bill Stoddart >> August 25, 2017 >> https://www.complang.tuwien.ac.at/anton/euroforth/ef17/papers/ >> stoddart.pdf >> > >