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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Moebius <invalid@example.invalid> Newsgroups: sci.math Subject: =?UTF-8?Q?Re=3A_There_is_a_first/smallest_integer_=28in_M=C3=BCcken?= =?UTF-8?Q?land=29?= Date: Thu, 18 Jul 2024 17:38:12 +0200 Organization: A noiseless patient Spider Lines: 13 Message-ID: <v7bct4$2fgjd$2@dont-email.me> References: <v78aei$1qhrg$2@dont-email.me> <iez0JhnP5QUwPTJ47oubeE1Aq5M@jntp> <v78m28$1sk3g$1@dont-email.me> <7mXj2D8kEhAscu3HLTqTUKsaj18@jntp> <d9b0dacd61b979099d931df69cf76c214d690d39@i2pn2.org> <Eb-CQaKSaHkMpWykEcQGtifvbV0@jntp> <45c2168329b760983a8cbc9139b6decf1a1edf5b@i2pn2.org> <v79af9$20iae$1@dont-email.me> <0urLk9tzygU8hLyD_kwRho5GpbQ@jntp> <v79fdn$214l1$1@dont-email.me> <QrSd6-1GsHbccl2htOUYqKQ82uU@jntp> Reply-To: invalid@example.invalid MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 18 Jul 2024 17:38:13 +0200 (CEST) Injection-Info: dont-email.me; posting-host="81dea532a4e3121d1d5500e0d726c164"; logging-data="2605677"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX192oVqBeLVdaW2fbiQuOPhm" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:MT/AN0QywCobJVL94q6obHc4CdY= In-Reply-To: <QrSd6-1GsHbccl2htOUYqKQ82uU@jntp> Content-Language: de-DE Bytes: 1854 Am 18.07.2024 um 15:20 schrieb WM: > Le 18/07/2024 à 00:08, Moebius a écrit : >> Am 17.07.2024 um 23:17 schrieb WM: > >> Es gilt also für alle x e IR, x > 0: |(0, x)| = 2^ℵo. > > Nein. Ja, doch. Hast Du das nicht gewusst? Jedes noch so kleine reelle Intervall (das nicht zu einem Punkt ausgeartet ist), hat die Mächtigkeit von ganz IR, also 2^ℵo. Das hat schon Cantor bewiesen.