Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: olcott Newsgroups: comp.theory Subject: Re: How to write a self-referencial TM? Date: Fri, 16 May 2025 15:38:47 -0500 Organization: A noiseless patient Spider Lines: 31 Message-ID: <10087on$3tu2i$2@dont-email.me> References: <1e4f1a15826e67e7faf7a3c2104d09e9dadc6f06.camel@gmail.com> <1002akp$2i4bk$2@dont-email.me> <479eebef3bd93e82c8fe363908b254b11d15a799.camel@gmail.com> <1002jkk$2k00a$3@dont-email.me> <05e306f20fcb7c88c497e353aaecd36b30fc752a.camel@gmail.com> <10053hb$3759k$1@dont-email.me> <879b3c552bad9da9885e41a298b570c92bef1aaf.camel@gmail.com> <10061h6$3de5f$1@dont-email.me> <100776h$3m7q1$1@dont-email.me> <1007n9d$3rb4n$1@dont-email.me> <10085nv$3m7q2$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Fri, 16 May 2025 22:38:48 +0200 (CEST) Injection-Info: dont-email.me; posting-host="a793c50ac46b1404361ae4f1062ef558"; logging-data="4126802"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/E/QwRWhGnnQaRmAFxOGhD" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:mJr+kIl5S4ViwDGbZqJcV++8uX4= X-Antivirus: Norton (VPS 250516-6, 5/16/2025), Outbound message In-Reply-To: <10085nv$3m7q2$1@dont-email.me> X-Antivirus-Status: Clean Content-Language: en-US On 5/16/2025 3:04 PM, Andy Walker wrote: > On 16/05/2025 16:57, Mike Terry wrote: > [I wrote:] >>>      Minsky's "Computation" has on its front cover [at least in the >>> Open University edition] and inside, as Fig. 7.2.9 on p142, a complete >>> UTM as a state-transition diagram. [...] > >> I found it on Amazon, and sure enough there on its front cover is >> the state transition diagram!  It sounds like a great book, but >> realistically I've already got too many books in my reading list... > >     It /is/ a great book.  Get* it, and re-order your reading > list to put it first.  The only other CS book that I couldn't put > down was the Algol 68 Revised Report. > >   * Somewhat on the other hand, I see that it's $silly on Amazon >     and on Abe, so perhaps you should rather borrow it from a >     library.  In the UK, it was going to be an Open University >     set book, with therefore guaranteed sales of many thousands, >     But then the OU pulled out, the book was remaindered, and I >     got a brand new copy for £tiny. > This repository contains any material needed to run Marvin Minsky's Universal Turing Machine in Martin Ugarte's "Turing Machine Simulator" and to demonstrate its vulnerability as described by Pontus Johnson https://github.com/rozek/Universal-Turing-Machine -- Copyright 2025 Olcott "Talent hits a target no one else can hit; Genius hits a target no one else can see." Arthur Schopenhauer