Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: dbush Newsgroups: comp.theory Subject: Re: Incorrect requirements --- Computing the mapping from the input to HHH(DD) --- DOS detector Date: Sun, 11 May 2025 21:01:01 -0400 Organization: A noiseless patient Spider Lines: 50 Message-ID: References: <09cea75db07408dc9203aca3fb74408ad3a095b4.camel@gmail.com> <853816e160c7b3fe75c71f0728e72989d9fb2e41.camel@gmail.com> <41e08841caf0d628beb5105bc78531a412eea440.camel@gmail.com> <07c4f2302645a7e58957b5e5bffed80397a6ddae.camel@gmail.com> <04bd32e2a5572305de0376f9569172932ffb252f.camel@gmail.com> <72f8c8295d3a0ff265a67b0de838516ade16c6d5.camel@gmail.com> <8667c45172be6519444525c30d280cde06d77e2b.camel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 12 May 2025 03:01:01 +0200 (CEST) Injection-Info: dont-email.me; posting-host="d587ba6f088c47ed8fd2ad250ebfd646"; logging-data="752714"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19tONrBOQiC0FF+p5CzcRbj" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:kxLcrV9hzlK1lVj61z9L5GSRecE= Content-Language: en-US In-Reply-To: On 5/11/2025 8:57 PM, olcott wrote: > On 5/11/2025 6:59 PM, dbush wrote: >> On 5/11/2025 6:30 PM, olcott wrote: >>> On 5/11/2025 5:11 PM, wij wrote: >>>> On Sun, 2025-05-11 at 17:00 -0500, olcott wrote: >>>> [cut] >>>>>>> ZFC corrected the error in set theory so that >>>>>>> it could resolve Russell's Paradox. The original >>>>>>> set theory has now called naive set theory. >>>>>>> >>>>>>> I corrected the error of the HP that expects >>>>>>> HHH to report on behavior that is different >>>>>>> than the behavior that its input actually >>>>>>> specifies. >>>>>> >>>>>> Specificly, "Halt(D)=1 iff D() halts" is an error? >>>>>> And it should expect: Halt(D)=1 iff POOH(D)=1 (correct problem)? >>>>>> >>>>> >>>>> Yes that is an error because the behavior that >>>>> the input to HHH(DDD) specifies is the behavior >>>>> that HHH must report on. >>>> >>>> If so, how do we know a given function e.g. D, halts or not by >>>> giving it to H, >>>> i.e. H(D)? Wrong question (according to you)? >>> >>> H and D is too vague and ambiguous. >>> We know that the input to HHH(DDD) specifies >>> a non-halting sequence of configurations. >>> >>> We know that the input to HHH1(DDD) specifies >>> a halting sequence of configurations. >>> >>>> Instead, every time we want to know whether D halts or not, >>> >>> When we intentionally define an input to attempt >>> to thwart a specific termination analyzer THIS DOES >>> CHANGE THE BEHAVIOR. >>> >>> If we let people run uploaded programs on our >>> network we need to know if these programs are >>> going to halt. >> >> Which means it will give us the wrong answer for DDD, > > Not at all. If HHH does not do this Then it's no longer algorithm HHH but algorithm HHHn instead. "if HHH does not do this" is a category error.