Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory,comp.lang.c,comp.lang.c++ Subject: Re: DDD simulated by HHH cannot possibly halt (Halting Problem) Followup-To: comp.theory Date: Thu, 3 Apr 2025 21:06:52 -0500 Organization: A noiseless patient Spider Lines: 21 Message-ID: References: <1645f6b2cfe0442e89650571ed26dd65d8253691@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 04 Apr 2025 04:07:00 +0200 (CEST) Injection-Info: dont-email.me; posting-host="282c1467e059627639b351647c7e55ad"; logging-data="2306340"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19CfDqVc2yY+3o+UYZ8HZpc" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:DO9/JVGQV1pnfgQ3KjD6F8JdGR0= X-Antivirus: Norton (VPS 250403-8, 4/3/2025), Outbound message Content-Language: en-US In-Reply-To: <1645f6b2cfe0442e89650571ed26dd65d8253691@i2pn2.org> X-Antivirus-Status: Clean Bytes: 1870 On 4/3/2025 8:59 PM, Richard Damon wrote: > On 4/3/25 9:27 PM, olcott wrote: >> void DDD() >> { >>     HHH(DDD); >>     return; >> } >> >> Do you really think that anyone knowing the C >> programming language is too stupid to see that >> DDD simulated by HHH cannot possibly return? > > But if HHH doesn't do a complete emulation, it doesn't show that its > input is non-halting, In other words you're convinced that a C program cannot see what every C programmer sees? -- Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer