Path: ...!news.mixmin.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Robert Carnegie Newsgroups: rec.arts.sf.written Subject: Re: (ReacTor) Five SF Novels About Rediscovering Ancient Tech Date: Mon, 27 May 2024 16:37:11 +0100 Organization: A noiseless patient Spider Lines: 29 Message-ID: References: <7bp44j53gmthgmpsh0rcmpucoj38stta6l@4ax.com> <6ou64jh7ii7d8uaelv75l07huf067a0mgi@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 27 May 2024 17:37:14 +0200 (CEST) Injection-Info: dont-email.me; posting-host="933074f1419d2ea38fde1df18ea6cc3b"; logging-data="122465"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19j+/h5jaXTcksm47dJi9i1WrSjJFSfMHw=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:Ky8z9lHP91rTFyZLJJrgxL30fCQ= In-Reply-To: Content-Language: en-GB Bytes: 2516 On 15/05/2024 16:48, Paul S Person wrote: > On Tue, 14 May 2024 22:46:26 -0400, Cryptoengineer > wrote: > >> On 5/14/2024 3:47 PM, Christian Weisgerber wrote: >>> On 2024-05-14, Paul S Person wrote: >>> >>>> So, like the car in /The World's End/, it is the same in one sense, >>>> and yet not in another since almost everything has been replaced. >>> >>> Aka "Ship of Theseus". People have been philosophizing about this >>> for at least two millennia. >>> >> I've read that there was a medieval idea that all the material in >> a human's body was replaced over 7 years, and that this is where >> the notion that 21 should be the age of majority came from. > > Oddly enough, I have run into the assertion that every cell in the > body is replaced every 7 years. Perhaps it's simply an updated > version. > > Not all replaced at once, of course. Your "over 7 years" captures that > quite well. There's a belief in an indestructible bone of the human body. Specifically, this is mentioned by Judaism and Islam - with or without being official - but apparently not in Christianity.