Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Mikko Newsgroups: comp.theory Subject: Re: Anyone that disagrees with this is not telling the truth --- V5 --- Professor Sipser Date: Thu, 29 Aug 2024 10:35:50 +0300 Organization: - Lines: 37 Message-ID: References: <431deaa157cdae1cae73a1b24268a61cf8ec2c1c@i2pn2.org> <7a1c569a699e79bfa146affbbae3eac7b91cd263@i2pn2.org> <729cc551062c13875686d266a5453a488058e81c@i2pn2.org> <148bf4dd91f32379a6d81a621fb7ec3fc1e00db0@i2pn2.org> <5591ff08ed8f7b4bdf33813681e156b775efe0ec@i2pn2.org> <26fadbf7b8cb5f93dbe18bffeff6e959251f9892@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 29 Aug 2024 09:35:50 +0200 (CEST) Injection-Info: dont-email.me; posting-host="2fc2ba747bad9e08201d5742136f75b1"; logging-data="4093297"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19GQaPP8nNpGto66XVLRkpt" User-Agent: Unison/2.2 Cancel-Lock: sha1:TvnKiDBBxzcsdfw78XBvw/GcMmo= Bytes: 3350 On 2024-08-28 12:46:42 +0000, olcott said: > On 8/28/2024 7:34 AM, Fred. Zwarts wrote: >> Op 28.aug.2024 om 14:07 schreef olcott: >>> On 8/28/2024 4:00 AM, Fred. Zwarts wrote: >>>> Op 27.aug.2024 om 15:32 schreef olcott: >>>>> >>>>> >>>>>      If simulating halt decider H correctly simulates its input D >>>>>      until H correctly determines that its simulated D *would never* >>>>>      *stop running unless aborted* then >>>>> >>>>> >>>>> HHH is only required to correctly predict whether or not DDD >>>>> *would never stop running unless aborted* >>>> And since DDD is calling an HHH that is programmed to detect the >>>> 'special condition', so that it aborts and halts, DDD halts as well and >>> >>> *THIS IS YOUR REASONING* >>> If you are hungry and never eat you will remain hungry. >>> You are hungry and eat becoming no longer hungry. >>> *This proves that you never needed to eat* >> >> No, apparently, your understanding of logic English is very poor. > > HHH simulates DDD until it has inductive evidence that > in the purely hypothetical case where a different HHH > would never abort its emulation of DDD that DDD would > never terminate normally. > > If we don't do it this way then infinite loops always halt. I would consider the infinite loops that always halt a more useful result. -- Mikko