Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Paul S Person <psperson@old.netcom.invalid>
Newsgroups: rec.arts.sf.written
Subject: Re: (ReacTor) Five SF Novels About Rediscovering Ancient Tech
Date: Wed, 15 May 2024 08:48:04 -0700
Organization: A noiseless patient Spider
Lines: 26
Message-ID: <v4m94j5hhnf6he647m7ojmvvl9q28p098e@4ax.com>
References: <v1ilo9$ako$1@reader1.panix.com> <v1ja2g$rngq$1@dont-email.me> <7bp44j53gmthgmpsh0rcmpucoj38stta6l@4ax.com> <6ou64jh7ii7d8uaelv75l07huf067a0mgi@4ax.com> <slrnv47fuf.175l.naddy@lorvorc.mips.inka.de> <v217m2$kt3q$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: quoted-printable
Injection-Date: Wed, 15 May 2024 17:48:07 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="532dea6ba3658416ac240418cd0225d7";
	logging-data="1016489"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18OF7A8UuYbl54pDoYed+h1s6cDW+uJ7AY="
User-Agent: ForteAgent/8.00.32.1272
Cancel-Lock: sha1:6F5J6p/9whnedwqh1EiBMzwyz4M=
Bytes: 2200

On Tue, 14 May 2024 22:46:26 -0400, Cryptoengineer
<petertrei@gmail.com> wrote:

>On 5/14/2024 3:47 PM, Christian Weisgerber wrote:
>> On 2024-05-14, Paul S Person <psperson@old.netcom.invalid> wrote:
>>=20
>>> 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.
>>=20
>> Aka "Ship of Theseus".  People have been philosophizing about this
>> for at least two millennia.
>>=20
>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.
--=20
"Here lies the Tuscan poet Aretino,
Who evil spoke of everyone but God,
Giving as his excuse, 'I never knew him.'"