Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Keith Thompson Newsgroups: comp.theory Subject: Re: Flibble's Law Date: Tue, 22 Apr 2025 16:25:06 -0700 Organization: None to speak of Lines: 20 Message-ID: <87bjsnye25.fsf@nosuchdomain.example.com> References: <19955e68400bc2ad935f413f012fe04011f7cf75@i2pn2.org> <7c47bbe68c1cf317ddb2a0418564127c1471e11b@i2pn2.org> MIME-Version: 1.0 Content-Type: text/plain Injection-Date: Wed, 23 Apr 2025 01:25:07 +0200 (CEST) Injection-Info: dont-email.me; posting-host="559a91cae6b172c7f978eee8629ad54d"; logging-data="1603755"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18AJ0fIfH/OcJMaG0CyMgwK" User-Agent: Gnus/5.13 (Gnus v5.13) Cancel-Lock: sha1:HPer6Ipcew46CCFphd4pdzh2cxI= sha1:pmzG99LEHlsFYEySxEQ+pgwlYlc= Bytes: 2019 Richard Damon writes: [...] > Actual Busy Beavers, since they do halt, never actually require > infinite tape. > > Perspective Busy Beavers, which might not halt, are allowed to use > infinite tape, and the decider will need to figure out that they > aren't going to halt to know they are not a Busy Beaver. I think you mean "Prospective", not "Perspective". (For a moment I thought there might be some concept of a "Perspective Busy Beaver", perhaps one that operates in the Total Perspective Vortex.) > Note, I never said that the Busy Beaver NEEDED the infinite tape, but > there is no finite bound on the tape they are allowed to use, but if > they are a Busy Beaver, it will be finite. -- Keith Thompson (The_Other_Keith) Keith.S.Thompson+u@gmail.com void Void(void) { Void(); } /* The recursive call of the void */