Path: news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!i2pn.org!i2pn2.org!.POSTED!not-for-mail From: joes Newsgroups: comp.theory Subject: Re: Professor Eric Hehner's brilliant work --- isomorphisms Date: Wed, 23 Apr 2025 13:32:54 -0000 (UTC) Organization: i2pn2 (i2pn.org) Message-ID: References: <47fa53a4ee87210f654ff66976626fb2acbc2173@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 23 Apr 2025 13:32:54 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="1531528"; mail-complaints-to="usenet@i2pn2.org"; posting-account="nS1KMHaUuWOnF/ukOJzx6Ssd8y16q9UPs1GZ+I3D0CM"; User-Agent: Pan/0.145 (Duplicitous mercenary valetism; d7e168a git.gnome.org/pan2) X-Spam-Checker-Version: SpamAssassin 4.0.0 Am Wed, 23 Apr 2025 07:10:20 -0500 schrieb olcott: > On 4/23/2025 6:30 AM, joes wrote: >> Am Tue, 22 Apr 2025 13:18:42 -0500 schrieb olcott: >>> and both of them are the wrong answer. >> Only when Carol gives it. The correct answer is the opposite. > Even a moron knows that self-contradictory questions have no correct > answer. It's only contradictory when posed to HHH. HHH1 simulates DD halting and reports as much. DD halts precisely because HHH returns "non- halting". >>> When DD is able to actually do the opposite of whatever value that HHH >>> reports (it can't possibly do this) then HHH is being asked a question >>> where both yes and no are the wrong answer. >> DD can most definitely do the opposite. Why shouldn't it? > Because doing the opposite is unreachable code. No, only if HHH doesn't return, in which case it is not a decider. >> Like Carol, HHH is incapable of answering correctly. -- Am Sat, 20 Jul 2024 12:35:31 +0000 schrieb WM in sci.math: It is not guaranteed that n+1 exists for every n.