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Path: eternal-september.org!news.eternal-september.org!feeder3.eternal-september.org!news.quux.org!news.nk.ca!rocksolid2!i2pn2.org!.POSTED!not-for-mail From: Richard Damon <richard@damon-family.org> Newsgroups: sci.math Subject: Re: Incompleteness of Cantor's enumeration of the rational numbers (extra-ordinary) Date: Sat, 28 Dec 2024 09:15:35 -0500 Organization: i2pn2 (i2pn.org) Message-ID: <6d1eddd3fbf2b84297a25a283466799eef07cb3f@i2pn2.org> References: <vg7cp8$9jka$1@dont-email.me> <33512b63716ac263c16b7d64cd1d77578c8aea9d@i2pn2.org> <vj9s4i$11a3p$1@dont-email.me> <vjam6d$1700v$1@dont-email.me> <vjc65g$1i9vk$3@dont-email.me> <vjf7kl$2s7e5$1@dont-email.me> <vjfmq3$2upa9$3@dont-email.me> <c6b624cb0b1b55d54aab969ee5b4e283ec7be3cd@i2pn2.org> <vjhp8b$3gjbv$1@dont-email.me> <dc9e7638be92c4d158f238f8c042c8559cd46521@i2pn2.org> <vjjg6p$3tvsg$1@dont-email.me> <c31edc62508876748c8cf69f93ab80c0a7fd84ac@i2pn2.org> <vjka3b$1tms$3@dont-email.me> <e11a34c507a23732d83e3d0fcde7b609cdaf3ade@i2pn2.org> <vjmse3$k2go$2@dont-email.me> <069069bf23698c157ddfd9b62b9b2f632b484c40@i2pn2.org> <vjooeq$11n0g$2@dont-email.me> <2d3620a6e2a8a57d9db7a33c9d476fe03cac455b@i2pn2.org> <vjrfcc$1m1b2$1@dont-email.me> <75921cc1f17cdb691969a99e666f237cd09c0b09@i2pn2.org> <vjsrp1$1tqvv$2@dont-email.me> <25729298b142c60d5b245231984119d42d4ac089@i2pn2.org> <vko14j$53b6$3@dont-email.me> <vko1vp$5mmo$1@dont-email.me> <vkovk1$b7ki$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Sat, 28 Dec 2024 14:15:35 -0000 (UTC) Injection-Info: i2pn2.org; logging-data="867955"; mail-complaints-to="usenet@i2pn2.org"; posting-account="diqKR1lalukngNWEqoq9/uFtbkm5U+w3w6FQ0yesrXg"; User-Agent: Mozilla Thunderbird Content-Language: en-US X-Spam-Checker-Version: SpamAssassin 4.0.0 In-Reply-To: <vkovk1$b7ki$1@dont-email.me> On 12/28/24 8:48 AM, WM wrote: > On 28.12.2024 06:23, Moebius wrote: >> >>>> On 12/17/24 4:51 PM, WM wrote: >> >>>>> all FISONs contain/are all n. > >> Hint: For each and every n e IN there is a FISON such that n is in it. > > No. If so, then the union of all FISONs would contain all n. But fact is > that the union of all FISONs is a FISON (all FISONs have infinitely many > successors) and leaves almost all numbers outside > ∀n ∈ ℕ_def: |ℕ \ {1, 2, 3, ..., n}| = ℵo. > > Regards, WM No, doing an INFIITE union (which a union of all FISONs would be) can result in something different in type then the union of a finite number of FISONs. Just like the combining of ALL natural numbers gives us an infinite set, while ony combining a finite number of natural numbers gives us a finite set. You logic just can't handle infinite operations, and thus can't actually have the set of Natural Numbers as an element of it,