Path: news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!news.quux.org!news.nk.ca!rocksolid2!i2pn2.org!.POSTED!not-for-mail From: Richard Damon Newsgroups: comp.theory Subject: Re: HHH(DD) --- COMPUTE ACTUAL MAPPING FROM INPUT TO OUTPUT Date: Sun, 20 Apr 2025 06:45:50 -0400 Organization: i2pn2 (i2pn.org) Message-ID: <46b7d37cb0b0c30a767d6e0081c02bc62d4994f9@i2pn2.org> References: <63af93cb608258cc3e12b9bab3a2efa0b7ee7eee@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sun, 20 Apr 2025 10:56:32 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="1122967"; mail-complaints-to="usenet@i2pn2.org"; posting-account="diqKR1lalukngNWEqoq9/uFtbkm5U+w3w6FQ0yesrXg"; User-Agent: Mozilla Thunderbird Content-Language: en-US In-Reply-To: X-Spam-Checker-Version: SpamAssassin 4.0.0 On 4/20/25 1:14 AM, olcott wrote: > On 4/19/2025 2:42 AM, Mikko wrote: >> On 2025-04-18 16:19:23 +0000, olcott said: >> >>> On 4/18/2025 8:27 AM, Mr Flibble wrote: >>>> On Wed, 16 Apr 2025 23:24:22 +0100, Richard Heathfield wrote: >>>> >>>>> On 16/04/2025 22:01, Mr Flibble wrote: >>>>>> I, aka Mr Flibble, have uniquely identified this category error and >>>>>> have thus solved the halting problem >>>>> >>>>> No, Mr Flibble, you have solved the Mr Flibble Problem. Well done! You >>>>> may award yourself whatever cash prize you can find in your piggy >>>>> bank. >>>>> Well done! >>>>> >>>>> And now you'd hurry back to using all those naughty words while your >>>>> mummy's still out at the shops. >>>> >>>> Partial deciders are a thing, >>> >>> Yes they are and termination analyzers only need >>> be correct on at least one input. >> >> Even in situations where an analyzer cannot determine the right answer >> it must not give the wrong answer. Not halting is OK, and so is to say >> that the answer cannot be determined. >> > > Cases of semantically invalid inputs must be rejected > as erroneous. > And what is semantically invalid about the actual program DDD? Maybe your erroneous non-program function with undefined referant, but the D/DD/DDD when it includes the copy of the decider it is based on is fully defined and semantically valid. You are just proviing your ignorance of the field.