Path: ...!weretis.net!feeder8.news.weretis.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: FromTheRafters <FTR@nomail.afraid.org>
Newsgroups: sci.math
Subject: Re: How many different unit fractions are lessorequal than all unit fractions? (infinitary)
Date: Wed, 09 Oct 2024 14:07:35 -0400
Organization: Peripheral Visions
Lines: 22
Message-ID: <ve6gpc$2o7qj$1@dont-email.me>
References: <vb4rde$22fb4$2@solani.org> <vdto2k$1jte$1@news.muc.de> <vdu4mt$18h8h$1@dont-email.me> <vdu874$271t$2@news.muc.de> <vdua6f$18vqi$2@dont-email.me> <vdubg3$24me$1@news.muc.de> <4bc3b086-247a-4547-89cc-1d47f502659d@tha.de> <ve0n4i$1vps$1@news.muc.de> <ve10qb$1p7ge$1@dont-email.me> <ve117p$vob$1@news.muc.de> <ve315q$24f8f$3@dont-email.me> <ve46vu$324$2@news.muc.de> <ve5u2i$2jobg$4@dont-email.me> <ve6329$19d5$1@news.muc.de> <ve64kl$2m0nm$4@dont-email.me> <ve66f3$19d5$2@news.muc.de> <ve683o$6c2o$1@solani.org> <ve69hm$2n2dr$1@dont-email.me> <ve6bnp$6esq$1@solani.org>
Reply-To: erratic.howard@gmail.com
MIME-Version: 1.0
Content-Type: text/plain; charset="iso-8859-15"; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Wed, 09 Oct 2024 20:07:41 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="c6790b2aa66d171e782ebb2f3fc9a6f8";
	logging-data="2891603"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/8zzCKHMhc5mr5ZjXyO/Z20Y8Bf2xUQz8="
Cancel-Lock: sha1:ywV/41WU9KaDBVRZJhDUsRE69/U=
X-ICQ: 1701145376
X-Newsreader: MesNews/1.08.06.00-gb
Bytes: 2231

WM presented the following explanation :
> Am 09.10.2024 um 18:04 schrieb FromTheRafters:
>> It happens that WM formulated :
>
>>> The essence is that only finitely many numbers have been lost and the rest 
>>> is remaining.
>
>>>
>>>>> Now complete all sets by the natural numbers > 10 and complete the
>>>>> sequence.
>>>>
>>>> You can't "complete" a set.
>>>
>>> You can add elements.
>> 
>> No, you cannot!
>
> I can. We call it union.

The cardinality of the union of two disjoint sets 'adds' their 
individual cardinalities together. This is also not adding elements to 
a set - - SETS DON'T CHANGE.