Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.lang.c++,comp.lang.c Subject: Re: D correctly simulated by H never halts Date: Tue, 28 May 2024 22:33:29 -0500 Organization: A noiseless patient Spider Lines: 39 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Wed, 29 May 2024 05:33:29 +0200 (CEST) Injection-Info: dont-email.me; posting-host="b7a5feb561e035e50c2e5bc5a99a467f"; logging-data="1049229"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+E0Hu6qqf341PFcuQqrW4R" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:2+0yx+iN6vlkpdo2cHMnmfe6G+I= Content-Language: en-US In-Reply-To: Bytes: 2958 On 5/28/2024 10:29 PM, olcott wrote: > On 5/28/2024 10:05 PM, Chris M. Thomasson wrote: >> On 5/28/2024 7:15 PM, olcott wrote: >>> On 5/28/2024 8:53 PM, tTh wrote: >>>> On 5/29/24 00:12, olcott wrote: >>>>> On 5/28/2024 3:11 PM, Chris M. Thomasson wrote: >>>>>> On 5/28/2024 7:11 AM, olcott wrote: >>>>>> [...] >>>>>>> H is a pure simulator or a pure function. >>>>>> [...] >>>>>> Can you show us a little pseudo code for H? >>>>> >>>>> >>>>> Just assume that H is an x86 emulator that emulates >>>>> its input function with the input to this function. >>>> >>>>     Why specially a x86 ? Why not a Sparc or a 68k ? >>> >>> To make it 100% concrete so that no one can say I am being >>> too vague and that is what the fully operational H does. >>> Also I know x86 very well since it was new. >>> >> >> too vague? Oh that is rich. > > I had to start specifying the x86 language because dozens of reviewers > believed that D correctly simulated by H was supposed to report on the > behavior of non-input: int main() { D(D); } > > It was only that I could show that this would require simulating > the x86 instructions of D incorrectly or in the wrong order that > I could prove that they were wrong. *This mistake of theirs was the key rebuttal of my work for two years* -- Copyright 2024 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer