Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Richard Heathfield Newsgroups: comp.theory Subject: Re: Incorrect requirements --- Computing the mapping from the input to HHH(DD) Date: Sat, 10 May 2025 02:32:40 +0100 Organization: Fix this later Lines: 31 Message-ID: References: <87msbmeo3b.fsf@nosuchdomain.example.com> <87a57mek8r.fsf@nosuchdomain.example.com> <87seled0zy.fsf@nosuchdomain.example.com> <87zffmbeyt.fsf@nosuchdomain.example.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sat, 10 May 2025 03:32:40 +0200 (CEST) Injection-Info: dont-email.me; posting-host="43b083a872fadb3f2c7703b3081889c2"; logging-data="3294416"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX196WqHs1sYLSTyFE8TvQ/Io0NhI3tvWlm1n2YrI8nJxVw==" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:1ENUFhBsqxFJ5XoT1y7qheabuOw= In-Reply-To: Content-Language: en-GB On 10/05/2025 02:29, olcott wrote: > On 5/9/2025 8:15 PM, Richard Heathfield wrote: >> On 10/05/2025 01:51, olcott wrote: >>> On 5/9/2025 7:29 PM, Richard Heathfield wrote: >>>> On 10/05/2025 00:02, olcott wrote: >>>>> Correctly emulating one or more instructions >>>>> the correct emulation of 1 or more instructions >>>>> of DD. This is a truism. >>>> >>>> No, it's not. Correct emulation would entail accurately >>>> simulating the whole of DDD's behaviour. >>> >>> It is stupidly wrong to require the complete >>> emulation of a non-terminating input. >> >> It is touchingly naive to think you can persuade people to >> accept incomplete emulation as 'correct'. >> > > If one instruction is emulated correctly > then is is dishonest to say that zero > instructions were emulated correctly. Which instruction do you think is emulated correctly? -- Richard Heathfield Email: rjh at cpax dot org dot uk "Usenet is a strange place" - dmr 29 July 1999 Sig line 4 vacant - apply within